Square Hole Bicycle Crank Arm Set 42T – Mountain & Road Bike
Square Hole Bicycle Crank Arm Set 42T – Mountain & Road Bike
Square Hole Bicycle Crank Arm Set – Built for Mountain & Road Cycling
Upgrade your drivetrain with this heavy-duty Square Hole Bicycle Crank Arm Set. Engineered for mountain bikes and road bikes alike, this 42T crankset delivers smooth chain engagement, efficient pedaling, and long-lasting durability — whether you're hitting the trails, commuting, or training on a stationary setup.
Key Features
- Thickened, Reinforced Construction: Enlarged crank arm and thickened cogs provide greater structural integrity and stability under repeated, heavy use.
- High-Strength Carbon Steel: Made from carbon steel with PC plastic accents for a tough, dependable build that holds up over thousands of miles.
- Smooth Power Transfer: The 42T chainring crank assembly ensures consistent chain engagement and efficient pedaling motion for a responsive, controlled ride.
- Wide Speed Compatibility: Compatible with 6, 7, 8, and 9-speed drivetrains, making it a versatile replacement option for a variety of bike setups.
- Diamond (Square) Hole Design: Standard square-taper bottom bracket interface for easy installation on most compatible mountain and road bikes.
- Stable & Secure Ride Feel: The reinforced structure minimizes flex and wobble, giving you better control and confidence with every pedal stroke.
Specifications
| Material | Carbon Steel, PC Plastic |
| Hole Type | Diamond (Square) Hole |
| Applicable Speed | 6 / 7 / 8 / 9 Speed |
| Teeth | 42T |
| Country of Origin | Made in China |
Package Includes
- 1 × Bicycle Crank Arm Set
Note: Please allow for slight measurement variances due to manual measuring. Colors may vary slightly depending on your monitor's display settings.
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Frequently Asked Questions
Q: What bike types is this square hole crank arm set compatible with?
A: This bicycle crank arm set is designed for use on mountain bikes and road bikes. It features a standard diamond (square) hole taper interface compatible with most square-taper bottom brackets, and supports 6, 7, 8, and 9-speed drivetrains.
Q: What material is this bicycle crankset made from?
A: The crank arm set is constructed from high-strength carbon steel with PC plastic components. This combination provides a durable, rigid build that maintains structural integrity through regular and intensive cycling use.
Q: What is included in the package?
A: Each order includes 1 Bicycle Crank Arm Set. Please verify compatibility with your existing bottom bracket and drivetrain speed before installing.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.