M20 Bicycle Crank Arm Fixing Bolts | Mountain Road Bike Crankset Screw | Aluminum Alloy Cnc Treated Bracket Cap Compatible with Road Bike Mountain Bike M18 M19

Descriptions: This Crank Bolt is constructed of aluminum alloy construction anti-rust resistant and durable. Good quality can provide a safer guarantee for your life. Features: 1. CNC cutting fine workmanship deep thread even force. The surfaces are polished to remove buildup and burrs. 2. Rich in Color: Several colors are available also updating your bike. You can choose your favorite color according to your preferences and needs. 3.M18: Suitable for hollow one-piece crankset FS.A crankset and old FC-4500 and FC-5600 etc. 4. M20: Used to fix the crankset and crank of the chain wheel suitable for M400 M590 M596 M661 SLX XT and other integrated crankset road bikes and mountain bikes. Specification: Name: Bicycle Crank Arm Fixing Bolts Material: CNC 7075 (aluminum alloy) M18 Size: cap about 28MM/ 1.1in; screw about 18MM/ 0.7in Inner size: about 10mm/ 0.39in Net weight about 7.8G Gross weight: about 12G Screws suitable for the M18 thread patterns are suitable for a one-piece crankset FS. A crankset and old road bikes such as FC-4500 and FC-5600 road cranksets mountain bikes. M20 Size: cap about 28MM/ 1.1in; screw about 20MM/ 0.78in Net weight: about 9.3G gross weight: about 13G Suitable for M20 M400 M590 M596 M661 SLX XT and other integrated crankset road bike mountain bikes. Packing List: 1*Crankset Arm Bolt Notes: Due to the lighting effect and shooting angle the product has a color difference please understand. Due to manual measurement there are tolerances in product dimensions.