• CNC aluminum alloy material: light weight, not easy to rust, anti-corrosion and wear-resistant, strong and durable
• Dustproof and waterproof: prevent water seepage into the center shaft
• Gorgeous appearance: multi-processes create a metallic texture and excellent visual effects
• M18 screw suitable for road bikes and mountain bikes such as for Prowheel hollow one-piece crankset, for FSA crankset and the old FC-4500 and FC-5600 cranksets
• M20 screw suitable for Shimano M400, M590, M596, M661, SLX, XT, XTR and other integrated crankset road bikes/mountain bikes

Specification:

• M18 Screw:
• Brand: ENLEE
• Model: E-QM18
• Size: cap: 28mm, screw: 18mm
• Material: CNC7075 aluminum alloy
• Net weight: 12g
• M20 Screw:
• Brand: ENLEE
• Model: E-QM20
• Size: cap: 28mm, screw: 20mm
• Material: CNC7075 aluminum alloy
• Net weight: 13g