2pcs screw 12.9Grade/W3/8-16X1';
3pcs screw 10.9Grade/W5/16-18X1"
1.This 1 inch adapter can be used for our 3+6+9 hole multifunctional sprocket and also compatible with our 44/40 teeth 3 holes high performance sprocket as picture show for reference only.
2. Do not works with 9 hole and 6 hole sprocket.
3. Not including sprocket only adapter 1"
- Adapter fits any rear hub of SPOKE WHEEL BIKE with a diameter of 1"
- The Adapter is a durable aluminum unit that provides fast and easy installation.
- the Adapter 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
- Package including 1pc 1" Adapter