Best Bike Cranksets Under $100 (2026)
We ranked units by value score using compatibility (BCD/spindle), material, chainring options (narrow-wide availability and tooth counts), and included accessories for under-(price varies) budgets
The Verdict
- Best Overall: BUCKLOS MTB crankset 170mm 104 BCD 32/34/36/38/40/42T — Solid budget MTB crankset: 104 BCD and 170mm arms offer versatile chainring choices for trail builds
- Best Value: BUCKLOS 170mm MTB Crankset with 104BCD chainrings — Affordable 104 BCD crankset with 170mm arms that suits common MTB conversions and ring swaps
Top Picks
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1
Best Overall BUCKLOS MTB crankset 170mm 104 BCD 32/34/36/38/40/42T
Solid budget MTB crankset: 104 BCD and 170mm arms offer versatile chainring choices for trail builds
BUCKLOS 170mm single-speed square taper crankset with 104 BCD, offering lightweight, durable performance for mountain, commuter, and electric bikes. Customers note easy installation and good value, with oval chainring improving performance
- 104 BCD ultralight design
- range of chainring sizes
- oval/round chainring options
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2
Best Value BUCKLOS 170mm MTB Crankset with 104BCD chainrings
Affordable 104 BCD crankset with 170mm arms that suits common MTB conversions and ring swaps
BUCKLOS crankset for mountain/commuter/e-bike bikes with 104 BCD, available in 32/34/36/38/40/42T. Lightweight and durable with 609g weight. One customer notes improved performance with oval chainring
- 104 BCD ultralight crankset
- available in multiple chainring sizes
- suitable for various bike types
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3
BUCKLOS 170mm MTB Square Taper Crankset with 104BCD Chainrings
Reliable square-taper MTB crankset providing 104 BCD flexibility and straightforward maintenance
BUCKLOS 104 BCD crankset in 170mm with 32/34/36/38/40/42T options. Lightweight and durable for mountain, commuter, and e-bike setups. Users note good value and easy installation, some report chain drops and mixed durability
- 104 BCD ultralight crankset
- includes 32/34/36/38/40/42T options
- fits various bike types (mtb, commuter, e-bike)
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4
BUCKLOS MTB Crankset 170mm 104BCD with 32/34/36/38/40/42T rings
Practical 170mm 104 BCD crankset that simplifies upgrades with multiple chainring tooth options
Bucklos 170mm crankset with 104BCD offers lightweight durability for mountain, commuter, and electric bikes. Features round/oval chainrings and multiple tooth options for versatile gearing
- 104 BCD ultralight crankset
- multiple chainring sizes
- fits ebike/commuter bikes
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5
Prowheel Crankset for E-Bikes 46T/48T/52T, 170mm aluminum arms
E-bike oriented single-piece crankset with aluminum arms and large ring options for higher-speed gearing
Single-piece crankset with steel chainring and plastic double-wall chain cover for reduced chain slip and improved aesthetics. Customers note easy replacement and compatibility with many e-bikes
- durable steel chainring
- double chain cover prevents slipping
- fits a range of e-bike models
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6
BUCKLOS MTB crankset 170mm 30-52T with narrow-wide ring
Versatile 170mm MTB crankset with 30–52T narrow-wide ring suitability for modern single-ring drivetrains
BUCKLOS IXF 104 BCD crankset for mountain bikes with hollow integrated design and 170mm length. Delivers solid build, easy installation, and good value. Customer note: solid fit and upgrade for older OEM cranks
- hollow integrated design
- narrow-wide chainring option
- 170mm crank length
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7
BUCKLOS 104 BCD 30T-38T MTB Crankset 170mm with BB
Complete 170mm crankset that includes a bottom bracket and narrow-wide ring for easier installation
Mountain bike crankset with 170mm arms, 74mm BCD, 30-38T options, and aluminum alloy construction. Features narrow-wide chainring design for smooth shifting and easy installation. Users note fit, quality, and value for money
- narrow-wide chainring option
- 170mm crank length
- 74mm crank bolts/BCD compatibility
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8
BUCKLOS IXF 104 BCD Crankset 170mm MTB 30-52T
Durable 104 BCD MTB crankset offering broad tooth-range compatibility for mixed-terrain riding
Hollow integrated MTB crankset with narrow-wide chainring for 170mm setup. Solid build and easy to install with good fit and value, per customer feedback
- narrow-wide chainring for reliability
- 170mm crank length
- aluminum alloy construction