ABSOLUTE BLACK chainring Direct Mount oval BOOST 148 | Race Face crank Cinch | black
The best chainrings for Race Face RCA cranks on the market. Absolute Black chainrings are CNC machined from billet aluminum and then anodized, the result: an extremely rigid and durable chainring. They were developed for a 1 x 9, 1 x 10, 1 x 11 or 1x12 (Eagle) drive. The chainrings have special teeth that prevent the chain may come off prematurely. The principle follows that of SRAM chainrings with X-Sync teeth.
The ovalization of the rear sprocket also boosts performance by variation in the drive train and optimizing the resistance. When contact with the legs, the natural strengths and weaknesses to be reconciled. To make better use of the stronger muscle groups is achieved, creating a balance in the working path (lower hub) in the weaker muscles.
By OCA system (Optimum Chainring Adjustment), the position of the chainring in 22 ° increments are set optimally and thus offers the best performance for beginners to experienced riders.
This chainring is specially designed 148 Standard for the new BOOST. Through the slight offset which is chain line for the new 1-way drives optimized.
intended use : MTB
Material: Aluminium 7075 Txxx
Technology: Narrow Wide
Mounting: Direct Mount
Number of teeth: 26, 28, 30, 32 or 34 teeth
Compatibility cranks : Race Face RCA (Next SL, SIXC, Atlas, Æffect, Turbine RCA)
Compatibility chain: 10-speed , 11-speed or 12-speed (SRAM Eagle)
chain line : 52 mm
Ovalization: 10.2 to 14.4%, maximum diameter at 110.5 to 116.3 ° (for each chainring size optimized)
26 teeth - 52g
28 teeth - 54g
30 teeth - 58g
32 teeth - 62g
34 teeth - 69g
36 teeth - 72g
Delivery: 1x chainring Oval BOOST 148 for Race Face RCA cranks