absoluteBLACK Cannondale Spidering Oval Chainring
Chainrings use proprietary bcd mounting system, therefore they are sold as sets of 50/34 or 52/36T combination only.
We mastered our oval chainrings to perfection, so you can get best possible advantage from the oval/elliptical shape.
Color: Anodized Black
Compatibility: Cannondale Hollowgram Si, SiSL, SiSL2. chain: 10, 11spd
Material: CNC machined 7075 Txxx Aluminum. Long-lasting construction
Chainline: Same as original spidering.
Ovality: Optimized to each size separately. 34T- 6.5% ; 36T- 11.4%, 50/52T - 10-11.2% ; Timing of 108 -110.5° after TDC (top dead center) - Ideal for road climbing. Patent Pending
Mfr Claimed Weight