Cycling replacement part promising a durable, accurate left-crank swap for many bike types. Home mechanics and commuter riders gain reassurance from a precise fit and a polished, colourfast finish. Is the QIAMNI Bicycle Left Crank Arm Set the right replacement for your repair needs?
⚡ At a Glance
- • Build Quality: High-quality aluminium alloy with fine polish and precision cutting for lasting strength
- • Best for: Home mechanics, electric-bike owners and MTB or single-speed riders needing 170mm left-crank replacements
- • Not ideal for: Riders who need a complete crankset, sizes other than 170mm, or non-aluminium options
Aluminium-alloy left crank arm, 170mm long, with precision-cut holes and a polished, colourfast finish. Designed as a direct replacement compatible with many bike models for straightforward installation and reliable fit.
Durable support, thanks to aluminium-alloy construction
High-quality aluminium alloy forms the arm, offering a strong material-to-weight ratio and resistance to everyday fatigue. Precision manufacturing maintains structural integrity where the arm meets the spindle.
Robust construction handles regular pedalling forces and helps avoid frequent replacements, suitable for regular commuting and moderate off-road use.
Secure, accurate fit, with standard precision-cutting of the hole
Standard precision cutting produces consistent hole geometry for square and rhombic spindle interfaces. Tight tolerances reduce play between crank arm and spindle.
A precise fit simplifies installation and reduces wobble, making the arm ideal for straightforward repairs and swap-outs.
Neat, lasting appearance, thanks to fine polish and colourfast paint
A polished surface treatment and colourfast paint enhance surface durability and maintain aesthetics under normal use and cleaning. Surface finish also helps mask minor wear.
A tidy finish keeps the drivetrain area looking well cared for, useful when restoring an older bike or matching existing components.
✨ The 4 Key Reasons for QIAMNI Bicycle Left Crank Arm Set
- Aluminium-alloy construction - Handles regular riding stresses and heavy pedalling without bending
- Precision-cut hole - Ensures a secure, wobble-free fit on many crank spindles
- 170mm crank arm length - Matches common replacement needs for road and mountain bikes
- Polished, colourfast finish - Keeps appearance neat after prolonged use and cleaning
📋 Technical Details at a Glance
- Category: Sports, Cycling replacement part
- Brand: QIAMNI
- Material: High-quality aluminium alloy
- Crank arm length: 170mm
- Hole type compatibility: Square hole / Rhombic hole
❓ Frequently Asked Questions
Q: Is the crank arm compatible with electric bikes?
A: Yes, product information states the aluminium-alloy arm provides strong support for electric bikes and is compatible with many bike models.
Q: What is the length of the crank arm?
A: Crank arm length is 170mm, specified for left-side replacement.
Q: Will it be easy to install on common crank spindles?
A: Standard precision cutting of the hole is designed to ensure a perfect fit and straightforward installation on compatible spindles.
🏆 Our Verdict
Ideal for home mechanics and riders who need a reliable 170mm left crank arm replacement. Precision-cut holes combined with aluminium-alloy construction and a polished, colourfast finish deliver a secure fit and a tidy appearance. Durable build and straightforward installation suggest strong long-term value for routine repairs.
