PROWHEEL Universal Bike Crank Arm - Forged 6061 Alloy, Multiple Sizes (152/160/165/170/175mm), BCD 104mm Square Taper

Upgrade your bicycle with the durable PROWHEEL Universal Bike Crank Arm. Crafted from strong forged 6061 aluminum alloy, this crank arm is built for high strength and resistance to deformation, ensuring reliable performance mile after mile. This pair of crank arms features a classic black finish and is available in multiple common lengths (152mm, 160mm, 165mm, 170mm, 175mm) to suit various rider preferences and bike types. They feature a standard BCD 104mm bolt pattern and are designed for Square Taper bottom bracket spindles. **Please ensure your bike's spindle interface matches the square hole design before purchase.** These arms fit standard 9/16" pedals. **Important Installation Note:** Each crank arm is clearly marked with "L" (Left) or "R" (Right). Correct installation is crucial - the left arm installs on the non-drive side, and the right arm installs on the drive side (with the chainrings). Installing them incorrectly will prevent proper function. **Package Includes:** 1 Pair of Crank Arms (Left & Right), 4 Chainring Bolts, 2 Crank Arm Bolts. Get everything you need for a straightforward installation.