Controltech SRAM CR-49 Eccentric 11 Speed Chainring (Black) Brand-ism You also benefit from deep

You also benefit from deep sensory stimulation in your ankles

Semi-enclosing plastic ring connected to the adjustment system for optimum stability and form-fitness

The blend of functional fibres ensures excellent heat and moisture management and the pressure-free cuffs guarantee ultimate comfort without slipping

SM-MA90-R160P/S for the use of a 160 mm brake disc

Quick and easy assembly Lighter shifting operation and reduced outer cable head distortion

Controltech SRAM CR-49 Eccentric 11 Speed Chainring (Black) Brand-ism You also benefit from deepEccentric Chainring for less power output and better performance Features Better acceleration and dynamics than round chainring. Power output increases by 5. 6% when the crank arm rotation degree starts from 30 to 150 degrees (Dominant leg). Cadence increases by 5. 9 % when the crank arm rotation degree starts from 210 to 330 degrees (Non dominant leg). A great tool to train your non dominant leg to have greater performance. Specification Teeth Ratio