Fixed gear hubs are core to single-speed bikes, offering simplicity, durability, and direct power transfer. This guide highlights five well-regarded options, covering alloy construction, precision machining, and compatibility with common track and fixed-gear setups. Use this overview to compare hub quality, bearings, and gearing readiness for urban riding, track cycling, or DIY fixie builds.
| Product | Brand | Key Feature |
|---|---|---|
| Catazer 13T/14T/15T/16T/17T/18T Fixed Gear Cog Set | Catazer | Multiple fixed-cog sizing; lightweight 50-80g per cog |
| POLSO FH003 Fixed Gear Hub (20/24/32 Holes) | POLSO | CNC-machined aluminum; sealed bearings |
| POLSO 20/24/32 Hole Fixed Gear Hub (Black) | POLSO | Aluminum alloy; CNC precision; sealed bearings |
| POLSO Flower Drum Fixed Gear Hub (Silver) | POLSO | Fixed gear hub with wide compatibility |
| POLSO FH001 20/24/32/36 Holes Fixie Hub | Generic | Durable Al6061-T6 body; 17T sprocket option |
Catazer Fixed Gear Sprockets and Lockring Set

The Catazer set includes 13T through 18T cog options, enabling multiple gear ratios for fixed-gear bikes. Each cog weighs about 50-80g, presenting a lightweight upgrade path for riders seeking snappy acceleration and precise gearing on city streets or track sessions. The compatibility with standard fixed-gear hubs makes this set a versatile addition to any fixie project, with straightforward installation and secure lockring engagement.
POLSO FH003 Fixed Gear Hub (Matte Black)

POLSO FH003 hubs are built from durable aluminum alloy and use precision CNC machining for accurate dimensions. Sealed bearings on both front and rear hubs provide smooth rotation and improved stability, contributing to a reliable riding experience across urban commutes and fixed-gear track sessions. This hub’s construction supports common track bike configurations while emphasizing long-term durability under demanding riding conditions.
POLSO 20/24/32 Hole Fixed Gear Hub (Black)

This POLSO hub family emphasizes screwless precision and consistent performance through CNC-machined aluminum alloy bodies and sealed bearings. The available hole configurations (20/24/32) allow riders to tailor wheel builds for various frames and tracks, ensuring a robust, stable rotation that complements a fixed-gear drivetrain with 17T sprockets or similar ratios.
POLSO Flower Drum Fixed Gear Hub (Silver)

The Flower Drum hub design emphasizes durability and wide compatibility for fixed-gear builds. Made from premium alloy and designed for reliable power transfer, this hub supports a range of 20/24H and larger configurations. Quick installation and consistent performance help riders achieve dependable acceleration and control on both city streets and track environments.
POLSO FH001 17T Wheel Cog Hub (Black)

POLSO FH001 combines high-quality Al6061-T6 aluminum alloy with a steel axle for added durability. The hub is designed to accommodate 20/24/32/36 hole frames and ships with a 17T fixed sprocket option, enabling reliable power transfer and stable performance across urban and track riding scenarios. The hub design supports compatibility with most fixed-gear frames, delivering practical versatility for enthusiasts and experienced riders alike.
All listed hubs emphasize precision machining and sealed bearings for smooth operation, helping maintain consistent performance over time. When choosing a fixed-gear hub, consider compatibility with your wheel shell, the number of holes, bearing type, and whether a lockring or cog system is included or required by your setup.
Buying Guide: Key Purchase Considerations And Comparisons
Material And Build Quality
Look for hubs crafted from durable aluminum alloys (like Al6061-T6) or other lightweight metals. A sturdy axle and robust hub shell reduce flex under hard acceleration and ensure long-term durability in urban traffic or fixed-gear track use.
Holes And Compatibility
Holes per hub (20/24/32/36, etc.) determine frame compatibility and spoke count. Ensure your wheel build matches the holes and lacing pattern of your rims. Consider hub width and flange spacing to optimize spoke tension and wheel stiffness.
Bearings And Rotation
Sealed bearings extend bearing life and reduce maintenance. Smooth rotation without play is essential for precise power transfer on fixed-gear systems. Verify availability of replacement bearings and serviceability, especially for front/rear pairings.
Gearing Options
Fixed-gear hubs may come with integrated cog sets or require separate cogs and lockrings. When selecting, ensure compatibility with your intended gear ratio, chain width, and frame clearance. The inclusion of 17T cogs or other sizes affects acceleration and top-end speed.
Installation And Maintenance
Consider hubs that are straightforward to install, with clear mounting specs and accessible lockrings. Regular cleaning and lubrication of bearings and chains help maintain performance and extend hub life in varied weather conditions.
Weight And Performance
Weight impacts acceleration and handling, especially in urban riding. Lighter hubs contribute to nimble feeling, while heavier hubs may offer added stability in high-speed or downhill contexts. Balance weight with durability and compatibility needs.
Brand Support And Availability
Choose hubs from brands with clear product specs and accessible customer support. Availability of replacement parts, spares, and accurate fitment guides can simplify future maintenance and upgrades.
In sum, the best fixed gear hubs deliver reliable rotation, durable construction, and flexible compatibility. Evaluate your frame, wheel build, and preferred gearing to select a hub that aligns with your riding style—whether you’re cruising city streets, practicing on a track, or building a showpiece fixie.