40 Tooth DISC Sprocket Aluminum 3.175mm Thick

40 Tooth DISC Sprocket Aluminum 3.175mm Thick

Fits all chains 1/2inch pitch,
410 standard bicycle chain, KMC Z510HX with thicker side plates or KMC 415 INDUSTRIAL SPEED CHAIN
will fit this sprocket. All the chains sold on this website will fit this sprocket 1/2inch pitch.
Overall lightweight sprocket for racing. Aluminum is easy to drill,
you could drill it to have any bolt pattern you would like.

Specifications:

Outer Diameter:    6 5/8inches or 170mm

Center hole diameter: 1 5/16 inches or 33.23mm

Thickness:            1/8inch or .127in or 3.175mm

Weight:                 5.8oz