Stainless steel hexagon bolts and knurled nuts
The stainless steel is stronger than steel and doesn't rust even when scratched.
The knurled nuts set into the crank holes and stay in place.
Bolts are etched with the Sugino75 name.
Material : Stainless steel
Bolt : Hexagon (5mm)
Nut : Knurled
Set includes 5 bolts and 5 nuts.
Length= 6.3mm / Length=3.7mm