Cannondale HollowGram Si SiSL2 Crank Spindle KP250 68/73mm

Cannondale Factory Replacement HollowGram Crank Spindle KP250 | 68mm / 73mm Road Bottom Brackets

This genuine Cannondale factory replacement crank spindle (KP250) is designed for HollowGram SiSL2, HollowGram Si, and Cannondale Si crank arms used on 68mm and 73mm road bottom bracket shells.

Manufactured to exact Cannondale OEM specifications, this spindle restores proper crank alignment, bearing interface, and drivetrain stiffness—ensuring smooth rotation and efficient power transfer.

Features & Benefits

• Genuine Cannondale OEM replacement part

• Compatible with:

  • HollowGram SiSL2 crank arms

  • HollowGram Si crank arms

  • Cannondale Si crank arms

• Designed for 68mm & 73mm road bottom bracket shells

• Lightweight alloy construction

• Restores factory crank fit, alignment, and performance

Specifications

• Part Number: KP250

• Application: Road

• Bottom Bracket Shell Widths: 68mm / 73mm

• Crank Compatibility:

  • HollowGram SiSL2

  • HollowGram Si

  • Cannondale Si

• Weight: 67 grams

• Material: Alloy

• Drivetrain Compatibility: 1x or 2x (frame dependent)

Included

• Cannondale HollowGram crank spindle – KP250 (1 pc)

• Spacers not included

  • Spacer kit sold separately: Cannondale KP483

Compatibility Notes

• Designed specifically for road frames with 68mm or 73mm BB shells

• Not compatible with SuperX 83mm frames

• Verify spindle length and BB standard before ordering

Installation Notes

• Professional installation recommended

• Use correct Cannondale spacers for proper chainline

• Torque crank hardware per Cannondale specifications

Why Buy OEM Cannondale?

• Guaranteed fit and bearing alignment

• Maintains HollowGram stiffness and efficiency

• Prevents premature bearing wear

• Preserves factory ride quality and resale value

A lightweight, factory-correct spindle solution for Cannondale HollowGram road cranksets—precision engineered for smooth, efficient performance.