Race Face Boost Cinch round premium chainring


$78.95
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In Stock !


Our premium 1X RaceFace Boost 148 direct mount narrow wide 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). Optimized to work perfectly with Eagle 12spd. It also works great with 10/11spd. .

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Size (Mass +/-1g):

28T (50g), 30T (52g), 32T (54g), 34T (68g)

Color

Black

Compatibility

RaceFace Cinch system cranks. RF Next SL G4, Next SL, Next R, RF SIXC, RF Turbine, RF Atlas, AEFFECT, RIDE CINCH cranks. 9, 10, 11 and 12spd Eagle compatible.

Material

cnc machined 7075 Txxx Aluminum. Long-lasting construction

Finish

type II anodizing

Chainline

52mm. 3mm offset


Difference between Boost148 and non-boost chainrings is in the offset/dish of the chainring itself only. You would use same crank in both boost and non-boost bikes, but chainring offset has to be different to accommodate chainstay clearance. Boost chainrings have only 3mm offset while non-boost ones 6mm.


Advantages of our special Direct mount chainrings:

*Finest design to provide excellent weight to strength ratio
*Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
*Special 3D teeth machining for ultimate mud relief decrease wear and noise dramatically
*They save weight because they don't need the spider and chainring bolts.
*The ability of installation of a smaller ring sizes that can't be mounted on regular spider.
*Superb quality and great look.


How to mount RaceFace Cinch chainring:

The chainring has a mark on the backside that you need to line up with the center of the crank arm to achieve the main/recommended position. Once this is done use BB key to lock the lockring.

The most advanced, Patent Pending narrow/wide tooth profile on the Market guarantee minimum 12 months of excellent chain retention capabilities! We mean it. Always use a new chain with a new chainring.


Designed in UK. Manufactured in Poland (EU).


RaceFace is trademark of RaceFace corporation