GUB M20 G20 Bottom Bracket Chainwheel BB Cranks Cover Cups Mountain MTB Bike Crankset Fixing Bolt Screw Cycling Parts Feature: 1. Aluminum alloy material: light weight, not easy to rust, precision, strength is far better than the original plastic screw; 2. Dustproof and waterproof: prevent water from entering the central shaft; 3. Gorgeous appearance: multi-channel technology creates metal texture and excellent visual effect to make you different.
Specification: Main material: aluminum alloy Product color: Blue Product size: about 28x28x15mm/1.1*1.1*0.6in Net weight: About 7g Product specification: M20 Diameter of screw end: 20mm/0.8in Applicable: for Shimano 590 596 XT XTR SLX integrated dental disc
Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3cm measuring deviation due to manual measurement.