**170mm Aluminum Alloy Bike Crank Arm Set - Left & Right Replacement for Mountain & Road Bikes - Square Hole (Rhombic Hole) - Durable & Lightweight - Perfect for Cycling, Commuting & Off-Road Adventures**

Features: Compatible for M4050 M590 M610 SLX XT XTR and more. Aluminum alloy construction is corrosion resistant, solid and durable. Easy to install and tighten it only if you make sure the thread in alignment. Widely applied for various bikes. Wonderful part for replacing the old ones. Specification: Condition: 100% Brand New Material: Aluminum Alloy Color: Black, Silver(Optional) Compatibility: for M4050 M590 M610 SLX XT XTR and more Center to center Distance: Approx. 170mm / 6.7in Whole Dimensions( L * W): Approx. 22 * 4.5 * 3cm / 8.7 * 1.8 * 1.2in Weight: Approx. 266 - 271g Packing List: 1 x Bike Crank Arm Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.