Best Bike Cranksets (2026 Guide)

Selections are based on aggregated star ratings and review volume with attention to common interface specs (104 BCD, 170mm arms, tooth counts) across mountain and e-bike cranksets

This guide covers top-rated bike cranksets for mountain and e-bike applications, selected by aggregate rating and review volume to surface reliable options across budgets. Picks emphasize common standards (104 BCD, 170mm arms, square-taper and aluminum designs) so you can compare compatibility and value quickly

Top Picks

  1. 1
    BUCKLOS MTB crankset 170mm 104 BCD 32/34/36/38/40/42T

    BUCKLOS MTB crankset 170mm 104 BCD 32/34/36/38/40/42T

    BUCKLOS • ★ 4.1/5 • Budget

    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
    Check current price on Amazon →
  2. 2
    BUCKLOS 170mm MTB Crankset with 104BCD chainrings

    BUCKLOS 170mm MTB Crankset with 104BCD chainrings

    BUCKLOS • ★ 4.0/5 • Budget

    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
    Check current price on Amazon →
  3. 3
    BUCKLOS 170mm MTB Square Taper Crankset with 104BCD Chainrings

    BUCKLOS 170mm MTB Square Taper Crankset with 104BCD Chainrings

    BUCKLOS • ★ 4.0/5 • Budget

    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)
    Buy at Amazon →
  4. 4
  5. 5
    Prowheel Crankset for E-Bikes 46T/48T/52T, 170mm aluminum arms

    Prowheel Crankset for E-Bikes 46T/48T/52T, 170mm aluminum arms

    WEEROCK • ★ 3.9/5 • Budget

    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
    Buy at Amazon →
  6. 6
  7. 7
    BUCKLOS 104 BCD 30T-38T MTB Crankset 170mm with BB

    BUCKLOS 104 BCD 30T-38T MTB Crankset 170mm with BB

    BUCKLOS • ★ 3.8/5 • Mid-Range

    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
    Check current price on Amazon →
  8. 8
    BUCKLOS IXF 104 BCD Crankset 170mm MTB 30-52T

    BUCKLOS IXF 104 BCD Crankset 170mm MTB 30-52T

    BUCKLOS • ★ 3.8/5 • Mid-Range

    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
    Buy at Amazon →
  9. 9
  10. 10
    Magene PES P505/P515 Power Meter Crankset

    Magene PES P505/P515 Power Meter Crankset

    Magene • ★ 3.3/5 • Premium

    Power meter crankset with 1% accuracy, lightweight 625g, ANT+/Bluetooth, IPX7 waterproof. Reliable data from intelligent temperature compensation and strain gauges, with positive install feedback from customers

    • 1% power accuracy
    • lightweight aluminum construction
    • durable 7075 alloy with hollow crank
    Check current price on Amazon →

Buying Guide

Crank arm length

Choose the correct arm length (commonly 170mm here) to match your pedaling style and frame geometry for comfort and power transfer

Chainring standard (BCD)

Check the bolt-circle diameter—multiple top picks use 104 BCD, which affects which chainrings you can fit or replace

Bottom bracket interface

Confirm compatibility with your bike’s spindle: square-taper cranksets require a matching square-taper bottom bracket, while aluminum single-piece designs may use different spindles

Chainring tooth count

Select a chainring size (e.g., 32–42T for MTB or 46–52T for many e-bike cranks) that balances climbing ability and top-end speed for your riding type

Material and durability

Aluminum arms are common for lighter weight and stiffness; consider construction quality and user ratings when prioritizing durability versus cost