Left Bike Crank Arm 170mm Aluminum Alloy for Square Taper Crankset
$9.09
• 170mm Aluminum Crank Arm – Lightweight and strong for reliable pedaling.
• Universal Square Taper Fit – Compatible with most square taper cranksets.
• Durable Construction – High‑quality alloy for long service life.
• Multi‑Bike Compatibility – Fits MTB, road, and folding bicycles.
• Easy Replacement – Direct swap for worn or damaged crank arms.
- Description
- Reviews (0)
Description
Product Overview
This Left Bike Crank Arm (170mm) is a high‑quality replacement crank arm made from aluminum alloy, designed for use on square taper cranksets. Its universal fit makes it suitable for a wide range of bicycles including mountain bikes, road bikes, folding bicycles, and hybrid bikes.
Whether you’re repairing a damaged crank or upgrading your drivetrain, this left crank arm delivers dependable pedaling performance while keeping weight low.
🛠 Technical Specifications
-
Product Name: Left Bicycle Crank Arm
-
Length: 170mm
-
Material: Aluminum Alloy
-
Fit Type: Square Taper Crankset
-
Compatibility: MTB / Road / Folding Bike
-
Color: Black / Silver (varies by version)
-
Package: Single Left Crank Arm
📦 Package Includes
1 × Left Bike Crank Arm (170mm)
⚙️ How to Install
-
Remove the existing left crank arm using a crank puller tool.
-
Align the square taper hole with the bottom bracket spindle.
-
Slide the crank arm onto the spindle completely.
-
Secure with the appropriate crank bolt.
-
Torque to manufacturer’s recommended specification.
-
Check pedal rotation for smooth operation.
🚴♂️ Keep Your Bike Running Smoothly
A well‑maintained crank arm ensures efficient pedaling and reduces drivetrain issues. Replacing bent, worn, or damaged crank arms improves power transfer and enhances overall bike performance.
Regularly inspect your crankset for wear, and stay on top of maintenance to keep every ride smooth.
Related Products
-
Components, Drivetrain & Gears, Gear Cables
10 Pcs Stainless Steel Bicycle Shifter Cable 2 m Replacement Gear Cable
$2.730 - 0 reviewsThere is no AI review summary. -
Brake Rotors, Components
Bicycle Centerlock Disc Brake Rotor with Lockring 160mm/180mm/203mm
$10.28 - $16.210 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Bar Tape, Components, Parts & Stem
Bicycle Handlebar Tape 210cm Length PU Leather Wear Resistance
$5.55 - $6.860 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Saddles, Saddles & Posts
Honeycomb Silicone Bicycle Saddle Cover Non-Slip for Gravel Road Bike Comfortable for Cycling
$10.41 - $11.210 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Brake Levers, Brakes, Components
Lightweight Aluminum Alloy Mountain Bike Disc Brake Lever with Bell
$16.290 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View
- Description
- Reviews (0)
Description
Product Overview
This Left Bike Crank Arm (170mm) is a high‑quality replacement crank arm made from aluminum alloy, designed for use on square taper cranksets. Its universal fit makes it suitable for a wide range of bicycles including mountain bikes, road bikes, folding bicycles, and hybrid bikes.
Whether you’re repairing a damaged crank or upgrading your drivetrain, this left crank arm delivers dependable pedaling performance while keeping weight low.
🛠 Technical Specifications
-
Product Name: Left Bicycle Crank Arm
-
Length: 170mm
-
Material: Aluminum Alloy
-
Fit Type: Square Taper Crankset
-
Compatibility: MTB / Road / Folding Bike
-
Color: Black / Silver (varies by version)
-
Package: Single Left Crank Arm
📦 Package Includes
1 × Left Bike Crank Arm (170mm)
⚙️ How to Install
-
Remove the existing left crank arm using a crank puller tool.
-
Align the square taper hole with the bottom bracket spindle.
-
Slide the crank arm onto the spindle completely.
-
Secure with the appropriate crank bolt.
-
Torque to manufacturer’s recommended specification.
-
Check pedal rotation for smooth operation.
🚴♂️ Keep Your Bike Running Smoothly
A well‑maintained crank arm ensures efficient pedaling and reduces drivetrain issues. Replacing bent, worn, or damaged crank arms improves power transfer and enhances overall bike performance.
Regularly inspect your crankset for wear, and stay on top of maintenance to keep every ride smooth.
Related Products
-
Brake Calipers, Brakes, Components
Bicycle Disc Brake Adapter Converter Aluminum Alloy Rim to Disc Brake
$13.65 - $16.860 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Bottom_Brackets, Components, Drivetrain_Gears
BSA 68-73mm Aluminum Bicycle Bottom Bracket With Steel Bearings
$7.17 - $8.860 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Saddles, Saddles & Posts
Classic Rivet Soft Bicycle Saddle Fit for Road Bike Fixed Gear Bike
$5.09 - $6.290 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Saddles, Saddles & Posts
Honeycomb Silicone Bicycle Saddle Cover Non-Slip for Gravel Road Bike Comfortable for Cycling
$10.41 - $11.210 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Brake Levers, Brakes, Components
Lightweight Aluminum Alloy Mountain Bike Disc Brake Lever with Bell
$16.290 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Bar Tape, Components, Parts & Stem
Napa Leather Retro Bicycle Handlebar Tape 2 Rolls with End Plugs
$14.35 - $17.710 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View
















































