105 Fc-Rs520 12-Speed Crankset For Road Bikes Aluminum 170Mm Arms 50T-34T Chainrings 110mm Bolt Circle Black Finish Lightweight Pro Grade Upgrade For Your 12-Speed Drivetrain

Regular price $167.95 Sale price$359.00you save $191.05
SKU: VXB0BFFRSGKY
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RS520 12-Speed Crankset for Road Bikes with Aluminum Arms
✔️ 165-175mm arms, 34/50T rings, 110mm BCD, black finish

The 12-speed crankset is a lightweight aluminum crankset designed for road bikes with a 110mm bolt circle and 34/50T chainrings. It is used to upgrade or build a 12-speed drivetrain for smoother shifts and better power transfer on performance road bikes.

✅ Chainring sizes: 34T and 50T
✅ Arm lengths: 165mm, 170mm, 172.5mm, 175mm
✅ Bolt circle diameter: 110mm
✅ Material and finish: aluminum, black finish

💡 What is a sealed ball bearing crankset, and why is it a handy upgrade for a 12-speed road bike drivetrain?

Sealed bearings help reduce friction, extend life, and keep shifting smooth under load. - sealed ball bearing crankset improves efficiency and reliability - lightweight aluminum arms boost pedal power transfer - compatible with 12-speed drivetrains and common 110mm BCD rings - easy upgrade for road bikes seeking a smoother ride