Square taper cranksets offer dependable performance and simple maintenance for riders who value durability and straightforward upgrades. The five selections below prioritize 104 BCD square taper interfaces, common crank lengths, and a range of chainring options suitable for single-speed and light-end multi-speed setups. Each option pairs solid construction with practical features, helping riders optimize power transfer and ride feel across varied terrain—from steep climbs to fast descents.
| Product | Brand | BCD | Crank Length | Chainring Options |
|---|---|---|---|---|
| BUCKLOS Square Taper Crankset | BUCKLOS | 104 BCD | 170mm | 32-42T (Round/Oval) |
| GANOPPER 32T Square Taper Crankset | GANOPPER | 104mm Outer / 64mm Inner | 170mm | 32T |
| BOLANY 170mm Square Taper Crankset | BOLANY | 104 BCD | 170mm | 32/34/36T |
| GANOPPER 165mm MTB Crankset | GANOPPER | 104BCD | 165mm | 32T |
| PETCHOR 32T Square Taper Crankset | PETCHOR | 104BCD | 170mm | 32T |
BUCKLOS Square Taper Crankset

The BUCKLOS crankset is a lightweight, durable option built around a 104 BCD. It weighs about 609 grams and supports a broad range of chainring sizes from 32T through 42T, with round or oval rings and two color choices. Designed primarily for single-speed installations, it emphasizes clean power transfer and simplicity. The 4 mm thick chainring profile with narrow and wide teeth (1.9 mm narrow; 3.7 mm wide) helps with chain retention and smooth engagement on varied terrain.
Compatibility focuses on common mid-to-high-end drivetrains. The set is suitable for mountain bikes, commuters, and even some electric bikes that run a square taper interface. When selecting a chainring, ensure the total chainline stays within your frame’s clearance and that the bottom bracket type matches your frame. This BUCKLOS option provides a straightforward upgrade path for riders prioritizing reliability and broad gearing versatility.
GANOPPER 32T Square Taper Crankset

The GANOPPER 32T crankset uses a 104 BCD with a 104 Outer Circle and 64 mm Inner Circle configuration. Constructed from aluminum 6061 with a stiffening design, it delivers a solid, lightweight setup at around 499 g per set, and a full crank set weight near 1.34 lbs. The 32T chainring is standard for single-speed mountain bikes, and the design aims for durable performance across 9, 10, and 11-speed systems. The finish is matte black for a clean, understated appearance on rugged bikes.
For riders upgrading a single-speed or light 1x setup, this GANOPPER crankset offers a straightforward install with reliable power transfer. It’s well-suited to riders seeking a balance between weight and stiffness, with compatibility across common square taper bottom brackets. Its 170 mm length is a versatile choice for many riders seeking a familiar leverage point for climbing and sprinting alike.
BOLANY 170mm Square Taper Crankset

The BOLANY crankset features uncoated aluminum crank arms and a high-strength 7075 aluminum alloy construction, emphasizing durability and stiffness while maintaining a lightweight profile. Offered with multiple chainring sizes (32/34/36T), it follows a 104 BCD standard and 170 mm crank length, making it suitable for single-speed bikes and certain 1x configurations. The uncoated arms are designed to resist scratches and corrosion while reducing friction and noise in ongoing riding conditions.
Designed for riders seeking a dependable upgrade, this crankset emphasizes strength and straightforward installation. The 104 BCD and narrow-wide chainring compatibility improve chain retention on rough terrain, while the 170 mm length provides a familiar lever feel for most riders. As with any square taper setup, verify bottom bracket compatibility and frame clearance for best performance and longevity.
GANOPPER 165mm MTB Crankset

The 165 mm GANOPPER crankset provides a slightly shorter lever for riders who prefer quicker cadence or have a shorter inseam. Built with aluminum 6061 square crank arms and a 104 BCD, it is designed to accommodate a 32T chainring for efficient single-speed performance. The overall construction aims for durability and a balanced weight profile, with a matte black finish to complement most frames. It’s suitable for mountain bikes and cross-country setups where weight and stiffness matter.
This crankset targets riders who want a compact option without sacrificing stability. The 165 mm length can help with tighter geometry or steeper climbs, and the 104 BCD supports standard 32T rings. Ensure your bottom bracket aligns with square taper interfaces and confirm the chainline matches your frame’s clearance to avoid rubbing or misalignment during riding.
PETCHOR 32T Square Taper Crankset

The PETCHOR 32T crankset emphasizes high-quality aluminum alloy construction with a frosted anodized surface to resist fading and wear. Its 104 BCD supports 32T rings, and the 170 mm crank arms provide a classic leverage feel for many riders. The design features narrow-wide teeth for superior chain retention on single-speed setups, and the chainring is removable for easy customization. It also supports a 9/16” pedal interface and standard 1/2″ x 1/8″ chain compatibility, with a 45 mm chainline for balanced alignment.
Riders seeking a modular, upgrade-friendly option will appreciate the three-piece crankset design that enables single-, dual-, or triple-crank configurations. The included chainring and bolts simplify installation, while the 170 mm length remains a widely used standard for many mountain bikes. As with all square taper components, confirm BB compatibility and assess the frame’s clearance and derailleur reach to maximize performance and longevity.
Buying Guide
Key purchase considerations
- Crank length: Common lengths are 165 mm and 170 mm. Choose based on leg length, riding style, and frame geometry. Longer cranks deliver more leverage on climbs but may feel less comfortable on tight trails.
- BCD compatibility: A 104 BCD is standard for many square taper rings (32T–42T). Confirm your chosen chainring’s compatibility with the crank’s BCD and inner ring diameter if applicable.
- Materials and weight: Aluminum alloys (6061 or 7075) offer a balance of stiffness and lightness. 7075 is typically stronger and stiffer but may come at a higher cost.
- Chainring options and tooth profile: Narrow-wide teeth improve chain retention on single-speed setups. Check whether the ring is removable and compatible with your chain width.
- Speed compatibility: Some cranksets are optimized for single-speed use, while others support multi-speed setups. Ensure the crankset aligns with your drivetrain (9/10/11-speed) and bottom bracket type.
- Bottom bracket interface: Square taper bottom brackets are common; verify the exact BB type ( cartridge vs. cup-and-cone, spindle length) and frame tolerances to ensure a proper fit.
- Installation and maintenance: Look for cranks that are easy to install with standard tools and that maintain proper torque. Some designs emphasize reduced friction and smoother operation with the right chainline.
Comparative notes
- Best all-around versatility: A 170 mm crank with 104 BCD and a broad 32T–42T ring range, like BUCKLOS, covers most riding scenarios from climbing to flat sections.
- Lightweight performance: GANOPPER options emphasize weight savings with aluminum construction while maintaining stiffness, suitable for riders prioritizing efficiency.
- Compact options: 165 mm lengths, such as the GANOPPER model, can suit riders who prefer quicker cadence and tighter frame geometries.
- Removable chainring and upgradeability: Some sets offer removable rings and a modular design, enabling single-, dual-, or triple-crank configurations as needs change.
- Durability and finish: Anodized or frosted finishes help resist wear and corrosion, particularly for riders in challenging weather or off-road environments.
Across these five selections, the trade-offs center on weight, compatibility with your bottom bracket and chainline, and how aggressively you ride. For a straightforward upgrade on a single-speed setup, BUCKLOS and GANOPPER 32T options provide a robust mix of compatibility and performance. If you seek slightly shorter leverage or a lighter profile, 165 mm models like GANOPPER offer a different feel without sacrificing strength. When customizing chainring sizes, verify your frame clearance and drivetrain compatibility to ensure a smooth, durable ride.