Accessories

Chain coupling is the mechanism component for direct connection of two axles to transmit revolving power.

Characteristics
1. Absorb clearance at connecting area.
2. Allows revolving of axle and slide on axle.
3. Protect function by absorbing shock and vibration.

Snap Idler is a component to keep chain tensioned. It's engineering plastic made "carrier" hold link plates to prevent chain loosened. As shown in below, there are two types, ratchet type and bolt type.