Premium Lightweight Build: Crafted from robust forged aluminum alloy paired with a steel chainring, this crank arm set delivers high strength and durability without excess weight.
Precise Specifications: Features a 170mm arm length and a 52-tooth chainring. Designed for compatibility with common 9/16" pedals and a recommended 117.5mm bottom bracket axle for optimal bike performance.
Broad Bike Compatibility: An ideal replacement part for straightforward bike repair or upgrade, particularly suited for city bikes and folding bikes. Always verify your frame's chain stay clearance.
Practical Rider-Focused Design: The lightweight hollow construction increases pedaling efficiency for a more comfortable ride. A double plastic chainguard is included to protect against chain contact with clothing, making it well-suited for daily commuting and regular use.
Complete Installation Kit: This component set includes all necessary parts: left/right crank arms, the 52T chainring, and plastic guards. Confirm size and fit with your bicycle before ordering.