Product Type: A lightweight bike parts solution, this crank arm set is designed as a 130BCD crankset for folding bike drivetrains and everyday riding upgrades.Construction: The hollow crank arm set uses an integrated design to help reduce unnecessary weight while keeping the structure solid and efficient for power transfer.Performance: Precision CNC cutting supports smoother drivetrain action, helping the crank arm set deliver a more direct pedaling feel with less energy loss.Fit and Size: With a 170 mm crank arm length and 130BCD pattern, these folding bike crank arms are built for riders who want a practical replacement or performance-focused upgrade.Advantage: This hollow crank arm set is made to improve riding performance and make each pedal stroke feel lighter, which is ideal for city commuting, folding-bike use, and frequent stop-and-stop-and-start riding.
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