Choosing the right 135 BCD track chainring can improve shifting reliability, chain retention, and overall riding performance on fixed-gear and track bikes. This guide highlights five relevant products, focusing on compatibility with 1/2 x 1/8 chains, single-speed setups, and standard 144 BCD or 135 BCD configurations. Each option offers solid construction, precise machining, and optimized tooth profiles for fixed-gear and track riding. The following sections summarize features, suitability, and key considerations to help you decide which chainring best fits your bike and riding style.
Summary of selected products
| Product | BCD | Teeth | Chain Compatibility | Notes |
|---|---|---|---|---|
| DJC 144BCD Round Chainring And Spider Adapter Converter | 144 BCD | 47–64T | 1/2 x 1/8 | Fixed Gear/Track, 3-bolt direct mount option |
| DJC 144BCD Round Chainring And Spider Adapter Converter | 144 BCD | 47–64T | 1/2 x 1/8 | Fixed Gear/Track, direct mount |
| Origin8 BMX/Singlespeed/Fixie Chainrings | Standard 144 BCD | Various (not stated) | 1/2 x 1/8 | CNC 6061-T6 aluminum, fixed/track suitability |
| Single Speed Chainring 144 BCD (44–56T) | 144 BCD | 44–56T | 1/2 x 1/8 | 7075 aluminum, narrow-wide design |
| 110/130 BCD Chainring Set | 110/130 BCD | 36–60T | Single speed chainring | 7075 Aluminum, CNC, narrow-wide |
DJC 144BCD Round Chainring And Spider Adapter Converter For Sram Direct Mount
Designed for fixed-gear and track applications, this 144 BCD chainring accommodates a single-speed setup with a 1/2 x 1/8 chain. The product is optimized for 47–64 teeth, enabling riders to tailor gear fuel to track sprint segments or long steady climbs. It includes a spider adapter compatible with SRAM direct mount and a 3-bolt mounting system for stable alignment. The construction focuses on durability and precise tooth geometry to reduce chain derailment risks during high-torque pedaling.
Key considerations: The chainring is explicitly stated for single-speed bikes and tracks, not compatible with multi-gear drivetrains. If your bike uses a 1/2 x 1/8 chain and a fixed-gear setup, this option offers strong compatibility. Ensure your crankset supports 144 BCD mounting and verify clearance for chainline alignment with your frame and chainring teeth count preference.
DJC 144BCD Round Chainring And Spider Adapter Converter For Sram Direct Mount
This variant shares the same core 144 BCD structure and is targeted at fixed-gear and track bikes that require a single-speed chain. It supports 47–64 teeth, enabling riders to experiment with a wide gearing range for different track segments. The product notes emphasize compatibility with 1/2 x 1/8 chains and a dedicated single-speed setup, making it a practical choice for fixed-gear enthusiasts seeking a robust chainring option with versatile tooth counts.
Key considerations: Double-check the compatibility with your crank’s spider pattern and ensure your frame can accommodate the chosen chainline at the selected tooth count. The direct mount approach reduces weight and improves stiffness, which can enhance power transfer during accelerations on the track.
Origin8 BMX/Singlespeed/Fixie Chainrings
Origin8’s chainrings are crafted from CNC-machined 6061-T6 aluminum, offering reliable strength for BMX, fixie, and track applications. The anodized finish helps resist wear and corrosion while maintaining a lightweight profile. This option suits riders seeking a straightforward, durable component for fixed-gear setups, with a focus on solid performance in urban riding, velodrome training, and everyday track use.
Key considerations: While optimized for single-speed configurations, confirm the exact BCD compatibility (if not explicitly stated) and ensure the chainring’s tooth profile matches your chain’s engagement needs. Aluminum construction provides light weight but can be less forgiving under heavy impacts compared to forged options; ensure appropriate torque settings during installation.
Single Speed Chainring 144 BCD 44–56T
This 144 BCD chainring covers a range from 44 to 56 teeth, aligning with common single-speed configurations. Constructed from 7075 aluminum, it has an anodized surface for durability and corrosion resistance. The design emphasizes improved chain retention and reduced friction and noise, which are important for consistent performance on fixed-gear and sprint-tracking rides. It’s a practical choice for riders who want a balance between weight, strength, and affordability.
Key considerations: The narrow-wide approach is not stated, so verify whether the chainring’s tooth profile is suitable for your specific chain tensioning and derailleur-free setup. Confirm compatibility with your crankset’s mounting pattern and the overall chainline on your frame.
110/130 BCD Chainring Set
Offering two mounting options (110 or 130 BCD) and teeth options from 36 to 60, this set is designed for single-speed bikes and foldables where fixed-gear performance is desired. The chainrings are crafted from 7075 aluminum and CNC machined for rigidity and long-term durability. The narrow-wide design helps retain the chain during rough track ride conditions, reducing the chance of chain drop during sprints and hard accelerations.
Key considerations: This option spans broader BCD choices, which is beneficial for riders with different crank standards. Ensure your crank’s BCD matches the chosen ring, and consider the tooth count in relation to your terrain and ride style (sprints vs. climbs). Check for compatibility with your chain type and the frame’s chainline clearance.
Buying Guide: Key Purchase Considerations
- Compatibility: Confirm BCD (e.g., 144 BCD versus 135 BCD) and whether the mounting method (spider adapter, direct mount, or separate spider) matches your crankset. Ensure the chainring is designed for 1/2 x 1/8 chains when you ride fixed-gear or track bikes.
- Tooth Count: Choose tooth counts that suit your terrain and riding goals. Higher teeth provide higher top-end speed, while lower teeth improve acceleration and climbing ability on flat or gentle courses.
- Material and Finish: Aluminum chainrings (7075 or 6061-T6) offer a good balance of weight and strength. Anodized finishes improve durability and corrosion resistance for frequent urban riding.
- Chain Retention: Narrow-wide toothed profiles help keep the chain engaged on bumpy pavement or during hard sprints. Verify if the product advertises this feature if it’s critical to your setup.
- Durability and Noise: Fixed-gear setups demand robust construction to withstand high torque. Consider designs that minimize friction and chatter, especially for long training sessions on the track.
- Installation: Ensure installation hardware compatibility (screws, bolts, or direct mount). Follow torque specifications to prevent over-tightening or misalignment, which can cause premature wear or chain derailment.
- Weight Considerations: Lighter chainrings reduce rotational mass, but durability should not be sacrificed. For daily track use, a balanced approach often yields the best long-term performance.
- Availability and Support: Look for reputable brands with clear product specs and compatibility notes. Reviews can reveal real-world compatibility issues with certain cranksets or frames.
When selecting a 135 BCD or 144 BCD chainring for track and fixed-gear use, prioritize compatibility with your current crank and chain type, while weighing the benefits of different tooth counts and manufacturing materials. The right chainring can improve chain retention, reduce noise, and enhance power transfer—crucial factors for sprinting on the track or navigating urban commutes on a fixed-gear bike.