Rremium 1X RaceFace direct-mount Oval chainrings designed for CINCH BOOST 148 system RaceFace cranks. Remove your current spider and mount this chainring directly to the crank. If you have 4 arm/non removable spider RaceFace crank, use 104bcd oval ring.
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Size (Mass +/-1g): |
26T (52g), 28T (54g), 30T (58g), 32T (62g), 34 (69g) |
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Color |
Black, Cannondale Green, Red, Gold |
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Compatibility |
RaceFace Cinch system cranks. RF Next SL, RF SIXC, RF Turbine, RF Atlas, AEFFECT CINCH cranks. Also fits Boost148 cranks/frames |
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Material |
CNC machined 7075 Txxx Aluminum. |
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Finish |
type II anodizing |
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Chainline |
49.9mm |
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Ovality |
Optimized per individual chainring size. Range: 10.2-14.4% and Timing of 110.5-116.3å¡ after TDC (top dead center) Patent Pending |