2 Pack Bicycle Crank Arm Bolts For ISIS Axle Ebike M15 Thread Steel With Plastic Seal Black 15mm Length 8mm Hex Socket Easy Install Rustproof Cycling Parts Kit

Two-Pack ISIS Crank Arm Bolts with M15 Seal
✔️ 2-pack, M15 thread, 15mm length, 8mm hex, steel with seal

These two bolts secure crank arms to ISIS/ES25 center shafts and protect internal threads with a built-in plastic seal. Steel construction is electro silvered for rust resistance, ideal for MTB, road, and e-bike setups.

✅ M15 thread bolts, 15 mm long, 8 mm hex socket
✅ Integrated plastic seal eliminates need for a separate crank cap
✅ High-strength steel with electro silvering for rust resistance
✅ Includes two black bolts for replacement in crank sets

💡 What is the purpose of a crank arm bolt in ISIS/center shaft systems?

The bolt is a handy piece that keeps the crank securely attached to the axle and shields the threads from moisture and wear. - ISIS/ES25 center shaft compatibility for secure crank mounting - proper installation with an 8 mm hex socket for quick setup - built-in seal protects threads from dirt and moisture - two-bolt pack makes maintenance easy and handy✝️