Product details
Compatible with Bontrager and Trek rotary head seatpost and seat mast systems
For use with Carbon 7 X 10mm rail saddles
Consult with the manufacturer on compatibility with individual saddle brands
Does not include hardware
Allows installation of English threaded cups in many BMX and older American made full-size bicycles
Truvatuiv bottom bracket adapter to convert American BB (51mm) to Euro BB (34.8mm) measurement consisting of two aluminium press fit cups for 68mm frames.
Features:
• Attaches to rear axle QR providing extra support for the derailleur and hanger.
• Improves shifting and prevents derailleur hanger from bending.
