Wolf Tooth Direct Mount Chainring - 34t Shimano DM For Boost Cranks 3mm Offset Drop-Stop ST Requires 12-Speed HG+ Chain BLK Model=OSPW Aero System for Shimano 9250 and 8150 5 Defined Color Gray Drivetrain

5 Defined Color Gray Drivetrain Speeds 10 Number of Chainrings Double Pedal Spindle 9/16" Rings 48/34 Spindle Interface Type Shimano Hollowtech II

The wheel must be built with the supplied PHR washers and Pro Head nipples

with better mud clearing and extraordinary durability

No tools required for installation

6 42mm Presta Valve

Wolf Tooth Direct Mount Chainring - 34t Shimano DM For Boost Cranks 3mm Offset Drop-Stop ST Requires 12-Speed HG+ Chain BLK Model=OSPW Aero System for Shimano 9250 and 8150 5 Defined Color Gray DrivetrainDesigned specifically for Shimano 12 speed HG+ chains Compatible with Shimano XTR M9100, XT M8100, and SLX M7100 series 12 speed cranksets 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 profile Made in the USA from 7075 T6 aluminum alloy TECH SPECS ring type HG+ (anti chain drop) mount