Chainring Direct-Mount RaceFace Boost Drop-Stop ST

The new Shimano XTR, XT, and SLX 12spd Hyperglide+ chain works differently than other products on the market so Wolf Tooth engineers developed a completely new tooth profile to provide optimal chain retention and durability when using this new chain technology.

• The new HG+ chain interacts with the chainring much differently than a traditional wide/narrow design. Wolf Tooth engineers spent the time to understand how the system works and design a new tooth profile that is optimized for this system.
• Engineered proprietary tooth profile maintains the quiet and smooth performance of the HG+ drivetrain with legendary Wolf Tooth chain retention.
• Prevents premature ring and chain wear that can come from non-optimized profiles.

Tech Specs

Weight: 30t • g | 32t • g | 34t • g | 36t • g | 38t • g
Material: 7075-T6 Aluminum
Made in the USA

Compatibility

• Any Race Face Cinch™ system crankset.
• Compatible with Shimano 12-speed Hyperglide+ chains
• Shimano 12 speed HG+ drivetrains use a 52mm Boost chainline for both 148mm Boost and 142mm standard rear hub spacing