Item Descriptions:
-The bike chain screws are made of CNC aluminum alloy, super lightweight and durable.
-Bike square single-speed chainring bolts, use for triple-speed chainring conversion into single chainring.
-Fit for mountain bikes, road bike, folding bike, downhill bike, MTB, BMX, etc.
-The chainring bolt only fit medium chainring, and doesn't fit 30T chainring.
-Package includes 4 pcs bike chain square screws.

Package:
4x Single Chainring Bolts
4x Crankset Screws

Item Specifications:
Colour:Black/Red
Size:25x18mm
Material:CNC Aluminum Alloy