127mm Pedal Arm Crank For Indoor Cycling Replacement Left Or Right Round Pedal Hole With 13x13mm Square Mount Nine Sixteenths By Twenty Thread Stationary Bike Trainer Part Heavy Iron Construction Durable Pedal Arm
✔️ Iron crank pair, 127 mm center distance, 9/16-20 pedal hole
This 127mm pedal arm crank is a heavy iron replacement designed for indoor cycling bikes. It ships as a left and right pair, so you can swap both sides for a fresh drive. Key specs include a center distance of 127 mm between holes, a 9/16-20 pedal hole, and a 13x13 mm square mount, making it compatible with many bike models. The crank features an outer paint finish for durable wear resistance and easy clockwise installation on either side.
✅ Iron construction, weight about 300 g per piece
✅ Center distance between holes: 127 mm (5 in); pedal hole: 9/16-20; square mount: 13x13 mm
✅ Total length: 155 mm (6.10 in); color: Black
✅ Install easily on left or right side by turning clockwise
✅ Outer paint finish delivers long service life; suitable for most exercise bikes
✅ Package contents: 1x left crank, 1x right crank
💡 What is a bike pedal arm crank used for on an indoor cycling bike and how does a replacement pedal crank fit?
In short, the crank arm is the lever that transfers pedal force to the crankshaft, and a replacement crank keeps the drivetrain compatible with standard pedal threads and square mounts.
- Replacement cranks restore pedal alignment for stable workouts- Compatible with 9/16-20 pedal threads and 13x13 mm square mounts
- Built from iron for solid durability and long life
- Easy clockwise installation on either side✝️