40 Tooth Sprocket & Adapter 1.5inch For Coaster Brake Hubs U.S.A.

40 Tooth Sprocket & Adapter 1.5inch For Coaster Brake Hubs

For Coaster Brake Hubs, back pedaling brake or hubs with 1.5 or 39mm diameter.
Sprocket works with 415 Chain, KMC Industrial 415 chain and #41 chain.
The Sprocket and Adapter Assembly is a durable aluminum unit that provides fast and easy installation.
Unlike the traditional sprocket clamp assembly, the Sprocket and Adapter Assembly ensures concentricity with
the wheel hub by using the unique two piece adapter that wraps around the rear wheel hub
and enables you to drive the entire wheel instead of applying pressure on the spokes.
The assembly also includes a 40 tooth sprocket that increases your top end speed.

NOTE: The Sprocket and Adapter Assembly is compatible with the KMC INDUSTRIAL 415 SPEED CHAIN, some 415 Heavy Duty Chains found in kits and #41 chain.

The Sprocket and Adapter Assembly fits on any rear hub with a diameter of 1.52″.
The following are compatible coaster brake hubs:
KT High Stop
Micargi
Shimano CB-110
Shimano CB-110E
Falcon

Clam shell sprocket adapter bolts around the hub for fast and adjustable installation.

Ensures concentricity with the wheel hub.
Adjustable laterally for proper chain alignment with the engine.
Drives the entire wheel from the center of the hub…not the spokes!
CNC machined sprocket for correct tooth form

Adapter Fit Measurements that are in the range of 1.520 to 1.528.
The Shimano CB-110 hub is one of the most copied coaster brake hubs on the market.
Please measure your hub to assure correct installation.

Sprocket Specifications:

Outer Diameter: 6 inches or 154mm

Center hole diameter: 2 5/8inches or 66mm

Thickness At Teeth: .130in or 3.34mm

Weight Of Sprocket: 6.8oz

Weight Of Sprocket And Adapter: 1 Lb 2.2oz

Material: Sprocket 7075 Aluminum

2 Clamping Bolts of Adapter: 3/8 X 1.5 Allen Head Coarse Thread

Larger Diameter bolts than China copies

3 Bolts for Sprocket Attachment: 3/8 X 1 inch Flat Head Allen Bolts