Our premium 1X Cannondale Hollowgram direct mount Oval chainrings are designed for Hollowgram crank family. Compatible with old and newest models.
Our Cannondale Direct Mount oval chainrings are designed with an offset that works best with Cannondale Ai-drivetrain (FSI). When used on non Ai / FSI Frames, our direct mount oval has 3mm less offset than original, non-Ai Cannondale chainring/spider. So in order to achieve perfect chainline, you will need in this case, to change the spacers on the BB axle and move right side crank closer to the frame. This is an easy task and sets the crank in very good position in relation to the frame.
Compatibility: Cannondale Hollowgram Si, SiSL, SiSL2. chain: 9, 10, 11 and 12spd Eagle compatible.
Material: CNC machined 7075 Txxx Aluminum. Long-lasting construction
Chainline: 47-50mm (5.7mm offset). Chainline depends on the length of the axle you use and spacers configuration.
Mounting: Direct Mount
Ovality: Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending
Advantages of our special Direct mount chainrings:
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