Description:

Deluxe narrow wide single chainring, Chain Ring Chainwheels
Made of premium aluminum alloy CNC machined process round bike chainring high strength
Narrow wide teeth design increases the contact area with the chain without worrying chain dropped
Designed to reduce friction and noise and ultra light won't add any burden to your bike
Great for road, mountain, folding bikes' modification, repair or refit

Specification:

BCD: 104
Thickness: 4mm
40T 169mm
42T 176mm
44T 185mm
46T 193mm
48T 201mm
50T 209mm
52T 217mm

Package Includes:

1 Piece Bike Chainring