M PART Di2 SMALL SEATPOST BATTERY MOUNT trek kids Excellent grip and high mileage

Excellent grip and high mileage thanks to PureGrip Compound

Outer bearing type: ball bearing

but we designed the ARX to be lighter

Diameter: 32mm

Nipples: Fore integrated aluminum

M PART Di2 SMALL SEATPOST BATTERY MOUNT trek kids Excellent grip and high mileageSecurely hide your Di2 Battery within your seatpost with the M Part battery mount. Specification For seat posts ID20mm to 23mm Size: 27. 2 28. 6mm Colour Black We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without