27.5 VITTORIA aluminum rims 24H27. 5 VITTORIA aluminum rims disc brakes 24 spoke holes 17mm rim height 22mm inner

Suitable for road vehicles

BCD: 130x5

The new patent pending Speedfil Z4 Cage is the first cage optimized for BTA (Between-The-Arms) aero hydration

5H×45°×45°x1pcs

and the appearance of the product is resistant to friction index

inner 25mm

*The ceramic Bearing version is 1

Diameter: 1-1/8"x52×$30or$39

is a part of the bicycle's drivetrain system that functions to shift the chain to different sprockets at the front (on the crank) to change speed and pedaling force

wrench：49-16（BB386)

shell width:79MM

Outer Diameter: 34mm