WUZEI Folding Bike Crank Carbon Fiber Crankset 165MM 170MM Road Bicycle Sprocket 24mm Axle 3 Bolts Direct Mount Crank Arm

WUZEI Ultra-Light Carbon Fiber Crank Arms – 3-Bolt Direct Mount For Folding & Road Bikes | Fits 9‑12 Speed Drivetrains

Material: High‑Modulus Carbon Fiber
Crank Arm Lengths: 165mm / 170mm
Spindle: AL‑7075 Alloy | 24mm Diameter
Chainring Interface: 3‑Bolt Direct Mount
Speed Compatibility: 9‑12 Speed (determined by chainrings)
Finish: Gloss UD

Product Overview

Upgrade your folding or road bike with the WUZEI Ultra‑Light Carbon Fiber Crank Arms. Designed around a compact 3‑bolt direct‑mount system, these cranks provide a lightweight, stiff foundation for building your ideal drivetrain. Whether you’re commuting, road riding, or touring, they deliver outstanding compatibility with 9‑12 speed setups—all at a fraction of the cost of premium groupsets.

Key Features & Benefits

1. Compact 3‑Bolt Direct Mount Design

-Streamlined interface reduces weight while maintaining broad compatibility with mainstream 3‑bolt chainrings.

-Secure locking ensures direct power transfer from crank to chainring.

2. High‑Modulus Carbon Fiber Construction

-Engineered for minimal weight and lower rotational mass, enabling faster acceleration and improved climbing response.

-Optimized stiffness translates every pedal stroke into efficient drivetrain power.

3. Wide Drivetrain & Fit Compatibility

Ready for 9, 10, 11, and 12‑speed systems—a future‑proof choice for evolving setups.

-Available in 165mm and 170mm lengths to match your bike fit, ideal for the compact geometry of folding bikes and performance needs of road bikes.

4. AL‑7075 Aerospace‑Grade Spindle

-Machined from high‑strength AL‑7075 alloy for an exceptional strength‑to‑weight ratio.

-Provides superior rigidity and power transfer over standard spindles, with corrosion‑resistant durability.

5. Smart, Cost‑Effective Upgrade Path

-Start with the crank arms and pair them with your preferred 3‑bolt chainrings and bottom bracket.

-Achieve the weight savings and stiffness of carbon fiber without the premium price of a complete high‑end groupset.