Cannondale Hollowgram Direct Mount Boost Chainrings
$89.95
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Premium 1X Cannondale Hollowgram direct-mount Oval chainrings designed for Hollowgram crank models. Compatible with old and current models. Size (Mass +/-1g): 30T(61g), 32T(66g), 34T(72g) Color Black, Green Compatibility Cannondale Hollowgram Si, SiSL, SiSL2 and newest F-Si cranks Material CNC machined 7075 Txxx Aluminum Finish Type II anodized Chainline 47-50mm (3.7mm offset). Chainline depends on axle length and spacer configuration. Ovality Optimized per individual chainring size. Range: 10.2-14.4% and Timing of 110.5-116.3å¡ after TDC (top dead center) Patent Pending
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