Hollowtech Crank Tension Bolt For 105 End M20 Thread Aluminum Alloy Crank Bolt With Dust Covers Gold Finish 2 Pack Preload 8mm Compatible With Shimano SLX Cranksets 28mm Diameter For Mountain And Road Bikes

Hollowtech crank tension bolt for 105 end, M20, single piece
✔️ Aluminum alloy crank bolt for 590/596 SLX, Ø28mm, M20 thread 8mm

This crank bolt fixes the crankset and sprocket on Shimano SLX compatible crank systems, commonly used on mountain and road bikes. Made from lightweight aluminum alloy for durability and long service life.

✅ Made from aluminum alloy for durability
✅ Fits 590/596 SLX integrated crankset
✅ Outer diameter about 28mm (1.1in), inner diameter about 10mm (0.4in)
✅ Thread diameter 20mm (0.8in), thread length about 8mm (0.3in)
✅ Suitable for mountain and road bikes

💡 What is a crank tension bolt used for in modern bicycle cranksets? This handy piece helps secure and preload the crank assembly for steady alignment and reduced play.
- secures crank arm to spindle and prevents wobble
- sets preload to keep bearings running smoothly
- simplifies maintenance and reassembly after service
- compatible with Hollowtech II and SLX crank systems