I'm prowheel single speed crank.

Get the single speed crank brand prowheel for your one-speed bicycle

Single speed crank made of aluminum metal with agility and robulizer to provide high performance and perfect transmission for movement

Elegant black color single speed crank

Single speed crank crank is easy to install

Single speed crank is a perfect option where high quality agility, hardness and performance combine

Crank arm length of about 175mm

Prowheel crank is compatible with one-speed bicycles

Get single speed crank now from my bike site at a competitive price