Cannondale HollowGram Si SiSL2 125mm Spindle SuperX 83mm 2x

Cannondale Factory Replacement HollowGram SuperX Crank Spindle 125mm | 83mm BB | 2x Drivetrain Configuration This genuine Cannondale factory replacement 125mm crank spindle is engineered for HollowGram SiSL2, HollowGram Si, and Cannondale Si crank arms when used on 83mm bottom bracket SuperX cyclocross framesrunning a 2x chainring drivetrain. Designed to Cannondale OEM specifications, this spindle restores proper crank spacing, bearing preload, and drivetrain alignment required for front derailleur clearance and optimal shifting on SuperX CX platforms. Features & Benefits Genuine Cannondale OEM replacement spindle Designed specifically for SuperX cyclocross frames Supports 2x chainring configurations Restores correct chainline and crank alignment Precision-machined for smooth bearing interface Ideal for crank rebuilds, drivetrain conversions, or service replacements Specifications Spindle Length: 125mm Bottom Bracket Shell: 83mm Drivetrain Compatibility: 2x Crank Compatibility: HollowGram SiSL2 HollowGram Si Cannondale Si Application: Cyclocross / Gravel (SuperX) Weight: 95 grams Material: Alloy Included Cannondale 125mm HollowGram crank spindle (1 pc) Spacers not included Correct spacer kit sold separately: Cannondale KP483 Compatibility Notes Designed only for: Cannondale SuperX cyclocross frames 83mm bottom bracket shells 2x chainring setups Not compatible with: 1x SuperX configurations Road HollowGram crank applications Standard 68mm / 73mm BB frames Always verify spindle length and drivetrain configuration before ordering. Installation Notes Professional installation recommended Requires correct spacer kit for proper chainline Torque crank hardware to Cannondale factory specifications Why Buy OEM Cannondale? Ensures factory-correct crank spacing Prevents drivetrain noise and shifting issues Maximizes bearing life and crank stiffness Preserves original SuperX performance and resale value A factory-correct solution for restoring or converting Cannondale SuperX HollowGram cranksets—precision fit, reliable shifting, and OEM performance guaranteed.