ultra‑light square crank 170mm
ultra‑light square crank 170mm
CRA0004N Black.PT03
CRA0004N Black.PT04
170mm cnc aluminum square crank
130mm bcd bike crank
ultra‑light square crank 170mm
ultra‑light square crank 170mm
CRA0004N Black.PT03
CRA0004N Black.PT04
170mm cnc aluminum square crank
130mm bcd bike crank
bicycle crankset close up 170mm Mountain Bike Crankset with 32‑38T Chainring CNC Alloy for MTB
K CRA521 B1 170mm Aluminum Single Crank Arm CNC 130mm BCD Lightweight for MTB Road Brompton

170mm Ultra‑Light Square Crank CNC 130mm BCD Aluminum for Single‑Speed Folding Bike BMX

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$14.85

SKU: CRA0004N

• Ultra‑Light Design – CNC‑machined 7075 aluminum for reduced weight and high strength.
• 170mm Crank Arms – Ideal length for balanced pedaling on folding and BMX bikes.
• 130mm BCD Compatibility – Fits standard 130mm bolt circle diameter chainrings.
• Durable Alloy Construction – Built for daily use and vigorous riding.
• Universal Fit – Optimized for single‑speed folding bikes and BMX setups.

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Description

Product Overview

This ultra‑light bicycle square crank features a 170mm crank arm length and 130mm BCD bolt pattern, machined from high‑quality aluminum for strength and minimal weight. Designed specifically for single‑speed folding bikes and BMX, it serves as a reliable drivetrain upgrade that improves pedaling efficiency and responsiveness.

Technical Specifications

  • Crank Arm Length: 170mm

  • Bolt Circle Diameter: 130mm BCD

  • Material: CNC‑Machined Aluminum Alloy

  • Crank Type: Square Taper

  • Compatibility: Folding Bikes, BMX, Single‑Speed Bikes

  • Color: Black / Silver (as available)

  • Drivetrain: Single Speed

Package Includes

  • 1 × Ultra‑Light Bicycle Square Crank Arm Set (170mm)

  • 1 × Matching Chainring Mounting Hardware (if included)

How To Use

  1. Remove your old square crank from the square taper bottom bracket.

  2. Slide the new 170mm square crank onto the bottom bracket axle.

  3. Align the crank arms opposite each other (180°).

  4. Tighten the fixing bolt to manufacturer torque specifications.

  5. Attach your 130mm BCD chainring and secure it with bolts.

  6. Check for smooth rotation before riding.

Additional information

Color

Black, Red, Sliver
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Description

Product Overview

This ultra‑light bicycle square crank features a 170mm crank arm length and 130mm BCD bolt pattern, machined from high‑quality aluminum for strength and minimal weight. Designed specifically for single‑speed folding bikes and BMX, it serves as a reliable drivetrain upgrade that improves pedaling efficiency and responsiveness.

Technical Specifications

  • Crank Arm Length: 170mm

  • Bolt Circle Diameter: 130mm BCD

  • Material: CNC‑Machined Aluminum Alloy

  • Crank Type: Square Taper

  • Compatibility: Folding Bikes, BMX, Single‑Speed Bikes

  • Color: Black / Silver (as available)

  • Drivetrain: Single Speed

Package Includes

  • 1 × Ultra‑Light Bicycle Square Crank Arm Set (170mm)

  • 1 × Matching Chainring Mounting Hardware (if included)

How To Use

  1. Remove your old square crank from the square taper bottom bracket.

  2. Slide the new 170mm square crank onto the bottom bracket axle.

  3. Align the crank arms opposite each other (180°).

  4. Tighten the fixing bolt to manufacturer torque specifications.

  5. Attach your 130mm BCD chainring and secure it with bolts.

  6. Check for smooth rotation before riding.

Leave your review
Rating
Publish review

Related Products