Our premium 1X RaceFace Boost 148 direct mount compatible Round chainrings are designed for CINCH system RaceFace uses to mount chainring directly to the crank. This version is for BOOST 148 specific bikes and FAT BIKES (when reversed).

Size (Weight):

• 28T (54g)
• 30T (58g)
• 32T (62g)
• 34T (69g)

Compatibility: RaceFace Cinch system cranks. RF Next SL, RF SIXC, RF Turbine, RF Atlas, AEFFECT CINCH cranks. 9, 10, 11 and 12spd Eagle compatible.

Material: CNC machined 7075 Txxx Aluminium. Long-lasting construction

Chainline: 52mm. 3mm offset

Mounting: Direct Mount

Occasionally, without notice, manufacturers change product design and/or specifications.