Chainrings

absoluteBLACK Oval 96 BCD 1x Chainrings greatly improve traction and climbing abilities. They are designed for use with Shimano XT M8000, SLX M7000, and MT700 1x or 2x cranks only. The specially designed narrow-wide tooth profile keeps the chain snug, allowing you to leave your chain keeper in the garage. They are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. Ovality has been optimized for each chainring size, ranging from 10.2-14.4%, with timing of 110.5-116.3° after TDC (top dead center). - Only compatible with Shimano XT M8000, SLX M7000, and MT700 1x or 2x cranks - Chainrings fit boost and non-boost bikes, as correct offset is realized by the crank spider itself, not chainring - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Teeth have been 3D-machined for ultimate mud shedding and quieter operation - The unique, patent-pending narrow-wide tooth profile keeps the chain in place - Chainrings have built-in standoffs to provide the ideal 1X chainline - For 49mm chainline - Only use the included extra-long chainring bolts

absoluteBLACK 1x CX Oval Direct Mount Chainrings for SRAM are designed for SRAM cranks, such as Force and Rival, on which the spider can be replaced with a direct mount chainring. This chainring is well suited for cyclocross and gravel riding. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. Ovality has been optimized for each chainring size, ranging from 10.2-12.1%, with timing of 110.5-112.3° after TDC (top dead center). - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - The unique, patent-pending narrow-wide tooth profile keeps the chain in place - Teeth have been 3D-machined for ultimate mud shedding and quieter operation - Provides excellent weight-to-strength ratio - 6mm offset is designed for 135/142 spacing on standard DUB/GXP/Long-Spindle BB30, as well as 170/177 spacing on fat bike cranks

absoluteBLACK Oval Direct Mount Chainrings for e*thirteen greatly improve traction and climbing abilities. They are designed for use with e*thirteen TRS cranks. Direct mount chainrings provide significant weight savings over a standard spider and chainring combination. They are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. Ovality has been optimized for each chainring size, ranging from 10.2-14.4%, with timing of 110.5-116.3° after TDC (top dead center). - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - The unique, patent-pending narrow-wide tooth profile keeps the chain in place - Teeth have been 3D-machined for ultimate mud shedding and quieter operation - Provides excellent weight-to-strength ratio - 9, 10, 11, and 12-speed Eagle compatible - 49mm chainline

absoluteBLACK Premium Sub-Compact 110 BCD Oval Chainrings are designed to improve your climbing and cadence. They are compatible with the majority of 110 BCD 5-bolt cranks. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. - Sub-Compact chainrings only work in the 48/32 size combination - Mounting bolts are included with the 32T ring - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Chainring design reduces the possibility of leg cramps and allows you to maintain a better cadence while climbing - Not compatible with SRAM Yaw front derailleurs - 10, 11, and 12-speed compatible - 8% ovality is ideal for climbing

Wolf Tooth was first to market with Cyclocross 1x specific chainrings because we saw Cyclocross as the perfect use for our patent pending Drop-Stop technology. These beautifully machined 110 BCD Asymmetric 4-bolt chainrings are optimized for your 1x Shimano CX/ Road/ Gravel drivetrain whether you run Dura Ace 9000, Ultegra 6800, 105 5800, or Tiagra 4700. They are also offset for the ideal 1x chainline. Compatibility: - These rings are for use with 110 BCD Asymmetric 4-bolt cranks. - Compatible with Dura Ace 9000, Ultegra 6800, 105 5800, Tiagra 4703, and Tiagra 4700 - Sizes 38T and larger are compatible with Dura Ace 9100, Ultegra 8000 and 105 R7000 but a slight modification is required due to a change in the crank arm profile. The 36T chainring will not work for this modification. - Mounts in the big ring position of the cranks but is offset inward for perfect chainline. - The stock 2x bolts will not work. You will need 6mm bolts which are optimized for single ring mounting. - For 1x9, 1x10, 1x11 and 1x12 drivetrains including SRAM Eagle (TM) - Compatible with all 10, 11, and 12 speed chains including SRAM Eagle (TM) - If using a 9 speed drivetrain use a 10 speed chain (shifts and works well on a 9 speed drivetrain and fits the ring tighter for better chain retention).

Wolf Tooth was first to the market with Cyclocross 1x specific chainrings because they saw Cyclocross as the perfect use for our Drop-Stop technology. Since their release, the uses for these rings has expanded beyond Cyclocross to commuting, gravel riding, mountain bikes with 5-arm crank power meters, and even full-on road applications with the giant 50T rings! Compatibility: - These rings are for use with 110 BCD 5 arm cranksets. Do NOT fit Shimano DA 9000 / Ultegra 6800. - Not compatible with Campy CX10/11. - Can be mounted in either the big or small ring position of a double crankset given chainstay clearance in the small ring position. - Stock 2x bolts will not work. You will need 6mm bolts which are optimized for single ring mounting. - For 1x9, 1x10, 1x11 and 1x12 drivetrains (including SRAM Eagle). - Compatible with all 10, 11, and 12-speed chains (Including SRAM Eagle). - If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention).

The perfect 1x solution for your gravel, CX or road bike. Made from 7075 Aluminum, Wolf Tooth's patented Drop-Stop design helps clear mud while retaining your chain. - Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention - Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains - Drop-Stop FT is compatible with all 10-, 11-, and 12-speed chains (including SRAM Flattop 12-speed chains), with the exception of Shimano 12-speed chains - Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings - If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention - Not compatible with Shimano Asymmetric 110 BCD cranks or Campagnolo CX10/11 cranks - Use of a clutch-style rear derailleur is recommended - Made from 7075-T6 aluminum for long life

The perfect 1x solution for your gravel, CX or road bike. Made from 7075 Aluminum, Wolf Tooth's patented Drop-Stop design helps clear mud while retaining your chain. - Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains - Drop-Stop FT is compatible with all 10-, 11-, and 12-speed chains (including SRAM Flattop 12-speed chains), with the exception of Shimano 12-speed chains - Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings - If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention - Not compatible with Shimano Asymmetric 110 BCD Cranks or Campagnolo CX10/11 cranks - Made from 7075-T6 aluminum for long life - Use of a clutch-style rear derailleur is recommended

- Standard 4-bolt ring with Drop-Stop tooth design to prevent unwanted chain drop - Recommended for use with 10 or 11sp chain (10sp chain works on 9sp drivetrain) - Designed and manufactured in the USA from 7075-T6 aluminum alloy - 36g (30t)

CAMO is all about choice - these aluminum alloy rings are made from 7075 Aluminum Alloy for lightweight performance. Only compatible with CAMO spiders. - Requires the use of a CAMO Spider - Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention - Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains - Compatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chains - Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings - If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention - Made from 7075-T6 aluminum for long life

- Road/Cross/Gravel offset ring has a reverse dish for perfect chainline - Fits Cannondale Hollowgram SI & SISL cranksets, replacing ring and spider - 48mm chainline, same as Cannondale XX1 spider. Use 10 or 11sp chain (10sp chain works on 9sp drivetrain) - Features Drop-Stop tooth design to prevent unwanted chain drop - Made in the USA from 7075-T6 aluminum alloy - 64g/68g/72g (30/32/34t)

- MTB offset version fits Cannondale Hollowgram SI & SISL cranksets, replacing ring and spider - 48mm chainline, same as Cannondale XX1 spider. Use 10 or 11sp chain (10sp chain works on 9sp drivetrain) - Features Drop-Stop tooth design to prevent unwanted chain drop - Made in the USA from 7075-T6 aluminum alloy - 64g/68g/72g (30/32/34t)

Direct mount rings designed for SRAM cranks with removable spiders. This chainring is equipped with the patent pending Drop-Stop asymmetrical tooth design for the best in wear life, mud clearance, and chain retention. - Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains - Compatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chains - Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings - If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention - Not compatible with the SRAM RED and Force AXS 8-bolt interface - Made from 7075-T6 aluminum for long life - Use of a clutch-style rear derailleur is recommended

These chainrings are for Race Face Cinch cranks such as Turbine, Next SL, Sixc & Aeffect. The Wolf Tooth Cinch rings feature a our patented Drop-Stop design for the best wear life, chain retention and mud clearance. We have both Boost and standard chainrings. - CNC machined aluminum ring fits Race Face cranks with Cinch System - Features Drop-Stop tooth design to prevent unwanted chain drop - Asymmetrical tooth shape for the best wear life, chain retention and mud clearance - Recommended for use with 10 or 11sp chain (10sp chain works on 9sp drivetrain) - Made in the USA from 7075-T6 aluminum alloy

CAMO is all about choice - these aluminum alloy rings are made from 7075 Aluminum Alloy for lightweight performance. Only compatible with CAMO spiders. - Requires the use of a CAMO spider - Elliptical chainring shape provides better efficiency in the recovery zone, as well as increased traction thanks to consistent torque - Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains - Compatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chains - Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings - If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention - Made from 7075-T6 aluminum for long life

The direct mount chainrings for SRAM cranksets replace your existing spider and chainring with one clean-looking, lightweight, and stiff piece of machined billet. Wolf Tooth patented Drop-Stop wide/narrow tooth profile for the ultimate chain retention and mud-shedding ability. More power? Check. Better traction? Definitely. Less shifting? Yup. Funky uneven pedal stroke? Not with Wolf Tooth PowerTrac Elliptical (PTE) chainrings. Our proprietary design means a slightly less ovalized ring (10%) with less aggressive timing (112 degree) than competitors versions; any change to your pedal stroke is unnoticeable for most riders, but they still provide the POWER and TRACTION benefits inherent to oval chainrings. Wolf Tooth patented Drop-Stop wide/narrow tooth profile for the ultimate chain retention and mud-shedding ability. Compatibility These direct mount chainrings will replace your existing chainring and spider or replace the direct mount ring on SRAM cranksets including the DUB cranks. The ring is attached via 3 bolts on the back side of the spider near the spindle. Note that the SRAM 12spd Red and Force AXS use a different 8-bolt mounting interface that is not compatible with these chainrings. Specifications: - Boost: 3mm offset for 52mm chainline - Mount type: Direct Mount for SRAM - Offset: Boost - Chain Compatibility: Drop-Stop A tooth profile for all 9, 10, and 11spd chains or 12spd SRAM Eagle, KMC, Connex or Wippermann chains

Designed for Easton CINCH cranks with removable spiders. This chainring features the patent pending asymmetrical Drop-Stop tooth design for the best in wear life, mud clearance, and chain retention. - Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention - Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains - Drop-Stop FT is compatible with all 10-, 11-, and 12-speed chains (including SRAM Flattop 12-speed chains), with the exception of Shimano 12-speed chains - Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings - If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention - Made from 7075-T6 aluminum for long life - Use of a clutch-style rear derailleur is recommended - 3mm offset provides optimal chainline (47mm) for CX and Road

This chainring's tooth profile was developed specifically for Shimano's XTR 12-speed Hyperglide+ chain. - Elliptical rings provide smoother, more efficient pedal rotation, which means better traction - Compatible only with Hyperglide+ 12-speed chains - For use with any RaceFace CINCH crankset - Maintains quiet and smooth performance of the Hyperglide+ drivetrain with exceptional chain retention - Prevents premature ring and chain wear that can come from non-optimized profiles

Designed to fit SRAM cranksets with removable spiders. Its proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center which provide the benefits of an oval ring such as greater rear wheel traction without the traditional downsides of oval rings. - Elliptical rings provide smoother, more efficient pedal rotation, which means better traction - Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains - Compatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chains - Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings - If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention - Not compatible with the SRAM RED and Force AXS 8-bolt interface - Made from 7075-T6 aluminum for long life - Use of a clutch-style rear derailleur is recommended - 3mm offset is designed for boost cranksets (52mm chainline)

Designed to fit SRAM cranksets with removable spiders. Its proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center which provide the beneifits of an oval ring such as greater rear wheel traction without the traditional downsides of oval rings. - Elliptical rings provide smoother, more efficient pedal rotation, which means better traction - Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains - Compatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chains - Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings - If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention - Not compatible with the SRAM RED and Force AXS 8-bolt interface - Made from 7075-T6 aluminum for long life - Use of a clutch-style rear derailleur is recommended - Compatible with 12-speed SRAM Flattop chain

- For chain and derailleur alignment - 20 per bag

- DualHex kits: 5mm-broach bolts with 6mm-broach nuts for secure 2-wrench assembly - Triple kit can be used on 5-arm or 4-arm mountain/road cranks (includes 5 inner chainring bolts in addition to middle/outer bolt/nut set)

Original equipment on SRAM and Truvativ cranks, these chainrings also work well with other drivetrains. - 104mm BCD - Material: Aluminum

- Trushift chainrings feature shift ramps and pins - Drivetrain compatibility: 8, 9, 10, 11 - 104mm BCD

Surly's Stainless Steel Chainrings last longer than their aluminum brethern because the 304 grade metal they use is 35% stronger. The rings aren't pinned or ramped so when one side starts to wear you can flip it around and pedal some more! They work great with singlespeed, fixed, and 1x9 applications, and the teeth are 2.1mm thick so they work well with 9-speed chains.

• Replacement for one-piece crank • Steel

Not all chainrings are created equal, and if you need proof of this, look no further than these chainrings that Praxis made exclusively for Specialized. - Custom design Praxis rings For Specialized only - Cold-forged, Heat-treated, and hard anodize 7075 T6 Aluminum - Compatible with Campagnolo, Shimano, and SRAM 10-/11-speed cranksets

Shimano 105 5703 10-Speed chainrings are a quality, reliable replacement option for worn out chainrings on triple cranksets.

- Drivetrain Speeds: 11 - Chainring BCD: 110 Shimano Asymmetric - Material: Aluminum

Shimano's CX70 Chainrings tackle the hurly burly of your next 'cross race with confidence-inspiring shifting and category-defining speed. Light, durable, nickel-plated aluminum is precision engineered to keep your chain running smooth and fast. 36- and 46-tooth chainrings provide a great cyclocross-friendly gear range.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Deore M6000 series 10-speed chainrings provide smooth and reliable shifting, ideal for off-road riding conditions. - Shimano HG-X technology - Compatible with 4-arm crank design

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Shimano XT M8000 11-Speed Chainrings - Chainring BCD: 64 Shimano Asymmetric - Color: Silver - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Inner

Shimano XT CRM80 1x11 Chainrings - Hollow gear construction for optimized rigidity, weight, and rigidity - Durable teeth using plated steel construction supported by a carbon composite (CFRP) carrier body - Dyna-Sys11 HG-X11 11-speed chain compatible - Chainring BCD: 96 Shimano Asymmetric - Color: Black - Drivetrain Speeds: 11 - Material: Steel/Carbon - Ring Position/Type: Chain Retaining Single Ring - Tooth Count: 30

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - Nickel plated Duraluminum for durability (SIS compatible) - Always match E type large ring with E type small rings

The Shimano R9100 series crankset achieves the ultimate in optimal power transfer. It does this through a reinforced chainring on its unique asymmetrical four-arm spider construction. - Chainring BCD: 110 Shimano Asymmetric - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Inner

Shimano Sora 9-Speed replacement chainrings gets your drivetrain operating smoothly again.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - 6700-G and 6750-G chainrings are OEM for Ultegra "Glossy-Gray" cranksets

Shimano Ultegra 6800 11-Speed Inner Chainrings - Material: Aluminum - Ring Position/Type: Inner

Shimano's Ultegra 6800 chainrings provide confidence-inspiring shifting and category-defining speed. Cold-forged aluminum comprises these super-stiff, hollow outer rings, and Shimano's unique system of ramps and pins means lightning fast shifts are at your command. - Bolt circle diameter: 4-bolt 110mm asymmetric - 50T pairs with 34T inner ring - 52T pairs with 36T inner ring - 53T pairs with 39T inner ring Inner rings sold separately

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Pair Shimano's 1x11 XTR chainring with an XTR rear derailleur and experience a simple, light drivetrain with exceptional chain management. A range of chainring sizes lets you customize your drivetrain for any terrain.

Shimano XTR M9000 11-Speed Chainrings - Chainring BCD: 64 Shimano Asymmetric - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Inner

- Better chain engagement for greater chain retention - Special gear teeth profile designed for MTB riding usage - Smoother driving even over bumpy terrain - For XTR FC-M9100-1, M9120-1 cranks

Original equipment on SRAM and Truvativ cranks, they also work well with other drive trains. - 7000 series aluminum provides strength and durability

Mud and moving parts are enemies in the sport of cyclocross. That's why SRAM decided they were going to simplify things. Remove the front derailleur, increase the range of the cassette, make dropped chains a thing of the past, and you've got a cross drivetrain worthy of hammering. SRAM's CX1 X-Sync Chain Ring is an integral part of that system. It mates to 110 BCD cranks and features a wide-narrow-wide tooth profile to securely hold the chain through the roughest terrain. It's also specially designed with mud clearing in mind to keep your rig light and fast. A variety of sizes ranging from the spin-to-win 38T to the flat-out 46T let you dial in your rig for your strengths or course.

- X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Specially designed tooth profiles for improved wear - More durable finish - Bolt Circle Diameter (BCD): 107 BCD - Speeds: 12 - Material: Aluminum

Original equipment on SRAM and Truvativ cranks, they also work well with other drive trains. - Supplied in TruVativ packaging - Bolt holes are threaded

Original equipment on SRAM and Truvativ cranks, these chainrings also work well with other drivetrains.

- AXS enabled for easy monitoring and firmware upgrades - Fully integrated power meter into a direct mount chainring - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Power balance measures left and right legs separately - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - 8-bolt direct mount compatibility only to RED and Force eTap AXS cranks. - Speeds: 12 - Chainring material: Aluminum - Power Meter Type: ANT USB

Replacement chainrings in 110mm and 130mm BCD for SRAM 11-speed Yaw speed road cranks. Replace worn out rings or swap to change gearing for specific uses.

Replace worn out chainrings or change out gearing with SRAM's RED X-Glide Chainrings. These solid rings are crafted from aluminum using SRAM's X-Glide tooth profiles for quick, responsive shifting. If you have a SRAM RED 22 compact crank, these are the rings for you.

SRAM's road chainrings are stamped from 7075 aluminum for low weight and excellent strength. The teeth are ramped for precision shifting, too.

SRAM X-Sync Road Direct Mount Chainrings for Rival drivetrains feature a wide-tooth, narrow-tooth design to provide maximum chain control. - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear Specifications: - Round or Oval: Round - Direct Mount Type: Direct Mount SRAM - Tooth Count: 38 - Material: Aluminum - Ring Position/Type: Chain Retaining Single Ring - Drivetrain Speeds: 12

SRAM X-SYNC 2 1x chainrings provide a high level of performance and durability. The aggressive teeth design provides better chain retention for a smoother, more efficient pedal feel. With a focus on long wear-life, the design reduces friction and the accumulation of mud, grit, and grime. - The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain - X-SYNC 2 chainring design increases chain retention, improves durability, and reduces friction and noise - Designed to be used with Eagle chain - 104mm BCD

Eagle Technology creates the smoothest, quietest, longest-lasting, and most efficient drivetrains we've ever made. The radical new look and feel of our X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. The longer, positive-rake tooth shape has been designed to work perfectly with the new Eagle chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise, and wear. - X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise. - Designed to be used with Eagle chain - Boost 3mm offset