NSV Cycle Square Bottom Bracket Sealed Cartridge Bearing Bicycle Brake Disk Vehicle Tool Kit

This Crankarm Fixing Bolts Sold Separately Better Chain Line Stability With Superb Material :- High Class Quality, the Bottom Bracket is Solid and Durable With a Long Service Time.sealed Bearing Assembly Provide Better Sealing and Lubrication Performance. Protect Bike Frame :- Integrated System of This Square Taper Bottom Bracket Can Protect the Frame, More Power Output, It's Better Than Ordinary Structure Bottom Bracket. The Weight is Very Light and Does Not Impose an Extra Burden on the Bicycle. Save Effort :- the Square Taper Bottom Bracket Has Fine Workmanship, Precision Threads Can Be Better Connected, 2 Bearings Structure Makes the Spindle More Flexible and Less Labor-intensive.