Silverock 14/21 16/20 3 Speed Front and Rear Hub Set for Brompton Bicycle

Regular price $119.50

Included:Front and Rear Hub

Materials:Aluminium Alloy /Axis AL7075

Bearings:Front 2 Rear 4 

Weight:Front 70g Rear 170g 

Width:74/112mm

Holes:14/21 or 16/20