Regulable Cranks Extension Spacers Bike Cranks Extension for Enhances Cycling Postures and Knee Strain Prevention

Adults. Increase pedal area, enhances cycling comfort, suitable for long-terms cycling. High strength aluminum alloys materials, light weight. Easyly to install, compatibility with multiple mountain bike models. Regulable Cranks Extension Spacers Bike Cranks Extension for Enhances Cycling Postures and Knee Strain Prevention. Features: Increase pedal area, enhances cycling comfort, suitable for long-terms cycling. High strength aluminum alloys materials, light weight. Easyly to install, compatibility with multiple mountain bike models. Suitable for mountain bike enthusiasts, long-distances cyclists, and cyclists who requires greater pedal space. Suitable for various cycling environment such as commuting, and long-distances cycling. Specifications: Color: Three Choices. Sizes: 3.3x1.8cm/1.3×0.71in. Component: steel. Package Includes: 1pair pedal extenders. note: 1. Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2. Due to the differen