Bike Hex Crank Arm Bolts With Caps 8mm Metal Screws For Square Cranksets And Bottom Brackets Keep Cranks Tight And Dry With Weatherproof Dust Caps Ultra Durable Easy Fit 4 Pack
This 4-pack includes 8mm hex crank arm bolts with caps designed to fit square cranksets and bottom brackets, helping keep cranks tight and protected from water and dirt. They are made of sturdy metal and feature a blue anti-slip coating for secure seating. Install with a metric 8mm Allen key for best results.
✅ Material: metal, sturdy and wear-resistant
✅ Coating: blue anti-slip paint to reduce slipping
✅ Dimensions: Dia 0.83 in (21.1 mm); Full length 1.06 in (26.9 mm); Shaft dia 0.31 in (7.9 mm); Shaft length 0.71 in (18.0 mm)
✅ Package: 4 pcs; Colors: Black, Silver
✅ Installation: uses 8mm hex head for install with standard Allen key
💡 What is a crank arm bolt with a dust cap used for?
These handy hardware pieces seal out water and dirt while keeping crank arms tight and protecting the bottom bracket.
- Crank arm fixing bolts for square cranksets and bottom brackets
- Weatherproof dust caps to protect bearings and keep dry
- 8mm hex head bolts for easy installation with a standard Allen key
- Pack of 4 screws to fit most bikes