The Si isn't a Hollowgram; The SL and SiSL2 are. Big difference between Si and SL is weight. As mentioned, the SL uses Hollowgram crankarms. Your crank will be a downgrade from what you currently have. Ibelieve this is version 2. Latest firmware installed. Works perfectly. Original box and manual, etc included. Cannondale Hollowgram SL Crankset. Cannondale hollowgram si crankset 34t Oval bb30 qf168 Condition is Used. BB30 SI SL, CANNONDALE. For Cannondale Hollowgram cranks and all other BB30 cranksets. Fits 68 or 73 sizes.
![Cannondale Hollowgram Si Sl Crankset Manual Cannondale Hollowgram Si Sl Crankset Manual](http://forums.mtbr.com/attachments/cannondale/651302d1320533560-help-needed-hollowgram-1x10-conversion-hpim0833.jpg)
£ 1560.00 At just 593 grams including PowerMeter, cranks, chainrings, this is SRM's lightest standard setup. Used by 2010 Giro d'Italia champion Ivan Basso and his Liquigas ProTour team, this system is designed for Cannondale's BB30 two-piece Hollowgram cranks. Crank: Cannondale SI / SL Hollowgram crank are not included in delivery. Available in 130m or 110mm Bolt Circle Diameters Bottom Bracket: BB30 SI-Hollowgram (weight: 128 g) - Not Included Weight: 721 g with crank, chain rings and bottom bracket (128 g) Strain Gauges: 8 Cadence Range: 30-255 rpm Wattage Range: 0-4096 Watts Wireless Protocol: Wireless ANT+ Sport Accuracy: +/- 2% Battery Life: 700 hours of use Q-Factor: 141 mm Compatible wireless with PowerControl 7, PowerControl8 and PoerControl VI. Fits on Cannondale Si Hollowgram sealed bearing and original Cannondale SI or SL Hollowgram cranks.
Cranks, chainrings and bottom bracket are not included in the scope of delivery. Compatible with PowerControl 7, PowerControl 8 and PowerControl VI and all other Ant+ head units.
Bolt Circle Diameters Decal Number (see image).