2pcs ZTTO Bicycle Aluminum Alloy Crank Cover Mountain Bike Crank Screws, Style: M20 Blue

2pcs ZTTO Bicycle Aluminum Alloy Crank Cover Mountain Bike Crank Screws are designed for fixing crank and chain wheel components. They are made from aluminum alloy, providing high strength and corrosion resistance.

• Product type: Screws
• Brand: ZTTO
• Compatibility: Shimano M4000, M590, M596, M661, SLX, XT, XTR
• Material: Aluminum alloy
• Key feature: High strength and corrosion resistance
• Color: Blue
• Intended use: Fixing crank and chain wheel
• Light and compact design
• Easy to install
• Spreads pressure and tightens nuts on parts
• Durable and sturdy construction
• M18 thread screws suitable for Prowheel hollow one-piece discs; FS.A discs; old FC-4500 and FC 5600 road discs
• M19 thread screws suitable for ZTTO, IXF and other brands of hollow one-piece discs
• M20 crank cover screws suitable for Shimano sets: M4000, M590, M596, M661, SLX, XT, XTR