absoluteBLACK SpideRing Oval Direct Mount Chainring Set - 52/36t Cannondale Hollowgram Direct Mount BLK

absoluteBLACK SpideRing Oval Direct Mount Chainring Set - 52/36t Cannondale Hollowgram Direct Mount Black. absoluteBLACK SpideRing Oval 2x Direct Mount Chainring Sets for Cannondale are incredibly stiff and lightweight. Sold as a set they are designed for Cannondale Hollowgram cranks such as SI SISL and SISL2. Chainrings have a ramp and recess design to improve shifting performance. Ovality has been optimized for road climbing with timing of 108 -110.5° after TDC (top dead center).

Sold as a 2x chainring set

Oval shape reduces stress on knees helps to keep your legs fresh and does not feel any different while riding

Ramp and recess shifting design makes shifting smooth and fast

Small chainring is replaceable

Provides excellent weight to strength ratio