Beefy Balanced 25 Tooth Rear Sprocket Built For Mini Bikes And Go Karts With Five Eighth Inch Bore, Includes Three Sixteenth By Three Thirty Second Keyway, Two Set Screws And Key, Black Oxide Rust Proof Finish, Hardened 1045 Steel

Beefy Balanced 25-Tooth Rear Sprocket for Mini Bikes
✔️ 5/8 bore, 3/16×3/32 keyway, 2 set screws, black oxide

Single sprocket built for mini bikes and go-karts with a 5/8 in bore and includes a key and two set screws for secure mounting. The bore is 15.875 mm and the keyway is 4.76 mm by 2.38 mm. Teeth are hardened 1045 steel with a black oxide rust-proof finish for outdoor use.

✅ 25-tooth rear sprocket with 5/8 in bore, 3/16×3/32 in keyway, includes key and 2 set screws
✅ Black oxide rust-proof finish withstands wet outdoor use
✅ Hardened 1045 steel teeth deliver long wear life and quiet operation
✅ Easy 5-minute install; pre-bored and keyed for fast mounting
✅ Compatible with 5/8 in axles on mini bikes and go-karts

💡 What is a rear sprocket with a keyed bore used for in small ride-on machines?

This handy drive component secures power transfer between the axle and wheel and keeps the sprocket from slipping under load. - Handy for locking the sprocket to a 5/8 in axle using a keyed bore - Prevents slippage under torque with the included key and set screws - Durable 1045 steel with a black oxide finish resists outdoor wear