Park Tool 744 40.98mm Reamer SCV Designed to integrate with Tri-Backup

Designed to integrate with Tri-Backup Pro V and Tri-Backup Pro I for maximum aerodynamic efficiency

Intended for use with PRO Vibe Superlight Stem

a strong and durable microtex upper for a comfortable and consistent fit

Real-World Fast™ aero optimization

Group: XTR

Park Tool 744 40.98mm Reamer SCV Designed to integrate with Tri-BackupThe 744 is used in conjunction with the Park Tool HTR 1 Head Tube Reaming and Facing Set to ream bottom bracket shells that use the BB86 92, PF41, or PF24 standard. Features Sized for bottom brackets that use the BB86 92, PF41, or PF24 standard40. 98 mm outer diameterRequires use of the 750. 2 Centering Cone Adapter Mfr Claimed Weight TBC