Crank Arms, 1 Pair Universal 170mm Aluminium Alloy Single Crankset Crank Arm Set Repair Parts BCD 130 mm for Mountain Road

Crank Arms, 1 Pair Universal 170mm Aluminium Alloy Single Crankset Crank Arm Set Repair Parts BCD 130 mm for Mountain Road

• [Lightweight & Premium Aluminum Alloy] Crafted from premium aluminum alloy with a hollow design, these crank arms are exceptionally lightweight—adding minimal weight to your bike while ensuring high strength and against to deformation for lasting durability.
• [Precision Machining for Smooth Performance] Manufactured with standard accuracy machining to deliver chain retention, significantly reduce friction and noise, and increase the overall service life of your bike's drivetrain.
• [Optimized 170mm Arm Length Design] Features a 170mm crank arm length engineered to prevent overlap between the arm and chainring bolts, providing a and efficient power transfer with every pedal stroke.
• [Wide Compatibility with Standard Specs] Designed with a 130mm BCD and compatible with bottom brackets measuring 107–110mm, making it a versatile replacement option suitable for many bike and setups.
• [Practical Upgrade or Replacement Solution] An ideal choice for bike repair or upgrades, offering a strong, lightweight, and precisely engineered pair of crank arms to refresh your ride’s performance and reliability.