Upgrading to a 1x drivetrain can reduce weight, simplify maintenance, and improve overall shifting on mountain bikes. The following hand-picked components represent popular 1x setups—from full groupsets to individual cranksets and derailleurs—designed to boost performance on American trails. Each option emphasizes durability, compatibility, and straightforward installation.
| Product | Brand | Key Benefit |
|---|---|---|
| RUSUO Bicycle Transmission Kit | RUSUO | Complete 1×10 setup with crank, cassette, derailleur, and shifter |
| SRAM NX Eagle Groupset | SRAM | Premium 12-speed 1x system for wide gearing range |
| Bibike 10 Speed MTB Groupset | Bibike | Affordable 1×10 groupset with 11-50T cassette |
| WEEROCK Mountain Bike Crankset | WEEROCK | Sturdy 32T single-piece crank for 1x builds |
| ROYHH 1×10 Speed Derailleurs Shifter | ROYHH | Complete gearing upgrade with lightweight components |
The selections below offer clear options for riders seeking a streamlined 1x drivetrain, whether upgrading an older bike or building a new setup from parts. Each product section provides an overview, notable features, and practical considerations to help you decide which kit best fits your riding style and maintenance preferences.
RUSUO 1×10 Mountain Bike Transmission Kit
The RUSUO kit includes a 10-speed cassette flywheel, a 104BCD 170mm crank set, a 10-speed chain, a shifter, a rear derailleur, a center shaft and a hanger extender. It aims to improve speed performance on mountain bikes by reducing weight and enabling smoother, quicker shifts. Built with steel and aluminum alloy, the components are designed for strength, wear resistance, and impact tolerance, while resisting rust. Ideal for riders looking to upgrade both gearing range and overall drivetrain efficiency in one package.
SRAM NX Eagle Groupset
SRAM NX Eagle Groupset delivers a 12-speed 1x setup with a wide gear range designed for aggressive trail riding. The kit integrates a 175mm crank, a rear derailleur, an 11-50T cassette, a trigger shifter, and a chain. This configuration emphasizes smooth, reliable shifting under load and a compact, simplified drivetrain that reduces derailleur upkeep on rough terrain. The NX Eagle platform is known for its precise indexing and durable construction, making it a strong option for riders seeking modern performance without the complexity of multi-ring setups.
Bibike 10 Speed MTB Groupset
Bibike’s 10 Speed MTB Groupset includes a complete 1×10 setup: 10-speed chain, 11-50T cassette, rear derailleur, and shifter. The cassette features a stepped gear progression (11-13-15-17-21-24-30-36-42-50T), with a reported weight around 541g for the cassette. The chain uses 116 links with standard 1/2″ x 11/128″ sizing and weighs about 264g. This package is positioned as a budget-friendly yet functional upgrade for riders who want a straightforward, reliable 1x drivetrain without high-end premium components.
WEEROCK Crankset 32T for 1x Builds
The WEEROCK crankset is a single-piece 32-tooth chainring designed for 1x setups. The 170mm arm length aligns with typical mountain bike geometries, and the steel construction provides durability for demanding climbs and mixed-terrain rides. Its narrow-wide chainring design helps reduce chain drop, supporting safer, more confident shifts during aggressive riding. Compatible with single-speed and multi-speed bikes, this crank is a practical option for riders upgrading a 1x drivetrain without replacing the entire crank system.
ROYHH 1×10 Speed Derailleurs Shifter
ROYHH offers a 1×10 speed derailleur and shifter package with a 10-speed cassette flywheel, a 104BCD 170mm crank, and a 10-speed chain. The kit emphasizes durability through steel and aluminum alloy components, delivering high strength and resistance to wear and rust. It is positioned as a value-focused upgrade option designed to enhance mountain bike speed and efficiency by reducing weight and simplifying the drivetrain for cleaner, more reliable performance on varied terrains.
Buying Guide
Key considerations when choosing a 1x drivetrain upgrade:
- Bike compatibility: Ensure the crankset spindle type, bottom bracket, chainline, and derailleur hanger are compatible with your frame and wheel size.
- Gearing range: A wide 11-50T range is common for trail riding, but lighter riders may prefer smaller cogs for better cadence and climbing efficiency.
- Shifter and derailleur quality: Higher-end options tend to deliver crisper shifts under load, better chain retention, and longer wear life, especially on technical terrain.
- Weight vs. durability: Lightweight components improve performance, but durability matters for rough trails. Aluminum and steel blends offer a balanced mix.
- Maintenance needs: Some kits are integrated and easy to install, while others may require professional setup or wheel/truing adjustments.
- Single vs. multi-chainring philosophy: 1x simplifies shifting and reduces maintenance, but may require careful gearing selection to avoid large jumps between gears.
- Wheel compatibility: Check spoke counts and cassette compatibility with your existing hub and freehub body.
For riders prioritizing value, Bibike and ROYHH provide solid, budget-conscious options that still deliver a true 1x experience. For performance-focused riders, SRAM NX Eagle offers a premium 12-speed platform with extensive range and refined shifting. RUSUO provides a comprehensive upgrade kit that combines multiple essential components in one package, potentially simplifying installation. WEEROCK focuses on a robust crank solution for reliable 1x builds, while the MARKnig family of bikes illustrates a practical, ready-to-ride option for 1x-ready platforms. When selecting, consider your riding style, terrain, maintenance readiness, and budget to identify the best fit for your next trail adventure.