Replacement 170mm Crank Arm for Exercise Bikes Left Right Pair Fits 9/16-20 Thread Pedals with Rhombic Hole Design (Right Crank)

• [PACKAGE OPTIONS] Package options 1 left crank; 1 right crank; or a set of 1 left and 1 right crank, so you can order a single replacement arm or a matched pair for both sides.
• [PRECISE DIMENSIONS] Center-to-center hole spacing 170mm with total length 202mm; rhombic hole measures 13 x 13mm and pedal hole uses 9/16-20 thread (for M14), accurate fit checks before purchase.
• [ IRON CONSTRUCTION] Made from iron with an approximate weight of 417g per piece and a black finish for steady pedal feel and long-lasting use under regular indoor cycling conditions.
• [REPLACEMENT FUNCTION] Designed as a direct replacement for worn or damaged exercise bike crank arms; available for left or right side and compatible with bikes that accept 170mm center spacing and 9/16-20 pedal threads.

Features: *The exercise bike crank is made of iron material, and has a certain weight, about 417g/piece *Size: The center distance between two holes is 170mm, the round hole for mounting pedal is 9/16-20(for M14) thread, rhombic hole 13*13mm *Install the left or right crank: turn it clockwise, easy to install and use *Suitable for most of exercise bikes, and used to replace the crank Specifications: Part Name: 170mm Exercise Bike Crank Material: Iron Size: Total length 202mm Color: Black Package Content: List 1: 1* left crank List 2: 1* right crank List 3: 1* left crank and 1* right crank