Yundxi 5 Sets Chainring Bolts Nuts Bicycle Crankset Accessories Steel Cycling Disc Screws For Road Bike Mountain Bike BMX MTB (Silver M8*16.8MM)

• Bike chainring bolts used to fix double chainwheel of double & single chainring/chainwheel mountain bike/MTB/Road/BMX etc.
• Screws are made of high-quality high-strength steel, which is strong, wear-resistant, anti-corrosion, anti-rust, and has a long service life.
• Bolt Head Diameter: 8mm. Bolt head length: 8.6mm/10.4mm/16.8mm, and nut shaft diameter: 9.9mm, nut shaft length: 6.5mm/8.6mm/12.9mm.
• Chain ring bolts are easy to install and can be easily installed with an Allen key. The process only takes a few minutes, which is convenient and quick.
• Chainring bolts are very important bicycle chainring parts, suitable for mountain bikes, folding bikes, road bikes, etc.

Description: Steel Bolt and nut set, super lightweight and durable. Fit for universal single/double chainring/chainwheel crankset used. Suitable for mountain bikes, road bike, folding bike, fixed gear bike, downhill bike, track bike, MTB, BMX, DH, etc Specifications: Material: Steel Nut Shaft Length: 6.5mm/8.6mm/12.9mm Nut Shaft Diameter: 9.9mm Bolt Head Length: 8.6mm/10.4mm/16.8mm Bolt Head Diameter: 8mm Colors: Silver Package Includes: 5 Sets Chainring Bolts&Nuts(Optional Size)