If you’re seeking a 34T inner chainring with a 110 BCD, you’re likely aiming for smoother shifting, stronger chain engagement, and compatible gearing across 8–12-speed setups. This guide highlights five reliable options, explaining who each is best for, and why they stand out. Whether you ride road, gravel, or cross-country, these chainrings are chosen to optimize power transfer, durability, and compatibility with popular cranksets.
Buyer’s quick reference table
- BUCKLOS 110BCD Bike Chainring Set with Pin — Best for versatile 10–11–12-speed builds with multiple tooth options.
- SRAM 34-Tooth Alloy Chainring, 110mm BCD — Best for SRAM-based drivetrains and 10/11-speed versatility.
- Shimano Sora 3550 34t, 110mm — Best for Shimano 9-speed road setups and clean integration.
- SRAM 11-Speed 34T 110mm BCD YAW Chainring — Best for precise shifts on 11-speed systems with YAW tech.
- BUCKLOS 110 BCD Road Chainring, Double Round 4 Bolts — Best for older Ultegra/DA-style cranks and mixed-speed builds.
BUCKLOS 110BCD Bike Chainring Set with Pin
Best for riders who want a flexible inner-ring option with multiple tooth combinations. This BUCKLOS set offers 50-34T, 52-36T, and 53-39T pairings, compatible with 8–12 speed chains. Constructed from CNC-machined A7075-T651 aluminum, it delivers high strength with reduced weight. Ideal for road, gravel, and light mountain use when you need a range of gearing choices without changing the entire crankset.
Best for: riders who prefer a modular approach to gearing and want a robust aluminum ring compatible with 110 BCD cranks. The set’s three double-link configurations simplify field adjustments. Caution: Always verify your crank’s BCD specification before purchasing to avoid fit issues.
SRAM 34-Tooth Alloy Chainring 110mm BCD
This 34-tooth inner chainring from SRAM is built for 10-speed systems and supports 10/11-speed drivetrains with a 110 mm BCD and 5-bolt compatibility. The 7000 series aluminum construction emphasizes lightness and rigidity for reliable shifts and durable use across road, mountain, and gravel bikes. It integrates well with SRAM and other major cranksets that use a 110 BCD pattern.
Best for: riders using SRAM or similar 110 BCD cranks who want a dependable inner ring for 10- or 11-speed setups. Choose this if you value compatibility with major crank brands and straightforward installation. Limitation: Designed primarily for 10-speed configurations; verify drivetrain compatibility when upgrading to newer 12-speed systems.
Shimano Sora 3550 34t 110mm 9-Speed Chainring
Shimano’s Sora 3550 34t chainring is crafted from durable steel with a 110mm BCD and 9-speed compatibility. The finish in black blends with Sora groupsets, delivering smooth gear transitions and strong chain engagement for road and mountain bike use. This inner chainring is an easy upgrade for riders seeking reliable performance within a Shimano ecosystem.
Best for: road riders and light MTB enthusiasts who run 9-speed systems and want a sleek, OEM-style upgrade. Caution: Designed for 9-speed drivetrains; confirm your current setup is not 10/11/12-speed to avoid mismatches.
SRAM 11-Speed 34T 110mm BCD YAW Chainring
Featuring SRAM’s YAW technology, this 34-tooth chainring optimizes chain engagement for smooth shifts across variable terrain. Its aluminum construction keeps the ring light yet strong, with a 110 mm BCD and 5-bolt mount for easy compatibility with modern road and cyclocross bikes. It pairs well with 11-speed drivetrains, offering a clear upgrade path for performance-focused riders.
Best for: riders upgrading to an 11-speed system who want precise shifts and reliable chain engagement. Limitation: YAW technology is optimized for certain SRAM/aftermarket cranks; ensure compatible crank compatibility with your current setup.
BUCKLOS 110 BCD Road Chainring, Double Round 4 Bolts
This BUCKLOS chainring is designed for 110 BCD cranksets with a 4-bolt mounting pattern. Available in 34T/36T/39T/50T/52T/53T, it supports 10/11/12-speed systems and is compatible with higher-end cranks like Dura-Ace and Ultegra lineups. The chainring uses high-strength 7075-T651 aluminum for durability and light weight, and the irregular tooth design helps promote smooth, fast shifts.
Best for: riders using 4-bolt 110 BCD cranksets who want an all-around upgrade with multiple tooth options. Caution: Like other 110 BCD parts, verify your crank’s BCD and spider type before purchase to ensure proper fit and performance.
BUCKLOS 110BCD Bike Chainring Set with Pin, Double Round 5 Bolts
Another BUCKLOS option with 5-bolt 110 BCD compatibility and double-ring configurations. The set includes 50T, 34T, 52T, 36T, and 53T/39T combinations to suit a range of riding styles. It uses CNC-machined aluminum to deliver rigidity and longevity for mixed-speed setups, emphasizing easy install and strong mount stability.
Best for: riders who want a broad selection of gearing within a single chainring set and straightforward installation. Limitation: Ensure your crank BCD is correct and compatible with a 110 BCD 5-bolt pattern to avoid misfit.
BUCKLOS 110BCD Bike Chainring Set with Pin (Another Variant)
This BUCKLOS variant emphasizes a 110 BCD compatibility and is built with high-strength aluminum. It supports 8–12-speed chains via multiple tooth options and uses irregular tooth designs to improve shifting performance. The set includes a 50-34T pairing among others and is designed for robust everyday use on road and gravel bikes.
Best for: riders who need a durable, all-purpose chainring with good tooth geometry for quick, reliable shifts. Caution: Double-check that your crank BCD and spider type match the 110 BCD 5- or 4-bolt pattern before buying.
Buying Guide: 34t 110 BCD Chainrings — Key Considerations
- BCD compatibility: Most 34t options use 110 BCD. Verify your crank’s BCD and the number of bolts (5-bolt vs 4-bolt) to ensure a proper fit.
- Speed compatibility: Chains and chainrings are designed for 8–12-speed systems. Match the chain speed to the drivetrain (8/9/10/11/12). For newer 12-speed drivetrains, confirm the inner ring is designed to work with that range.
- Material and weight: Aluminum (such as 7075-T651) offers a balance of strength and lightness. Steel rings may be more durable in some environments, but weight is higher.
- Tooth design: Irregular tooth shapes and concave-convex geometries can improve shifting speed and reduce chain slip during upshifts and downshifts.
- Installation and compatibility: Check spider type (single, double, five-bolt), and ensure the chainring aligns with your crank’s spider and chainline requirements.
- Intended riding style: Road-focused rings emphasize clean shifts and efficiency, while MTB or gravel rings may prioritize durability and grip under varied stress.
- Tooth count options: 34T inner rings are common; consider whether you need a companion outer ring (50T, 52T, etc.) or a standalone inner ring for a dedicated 2x configuration.
Frequently Asked Questions
- What does 110 BCD mean for chainrings?
110 BCD refers to the bolt circle diameter of the chainring mounting pattern. It determines compatibility with your crank’s spider and the number of bolts (typically 4 or 5).
- Can I use a 34T chainring with a 12-speed drivetrain?
Yes, but confirm that the inner chainring is designed to work with 12-speed chains and the rest of your drivetrain. Some 12-speed setups need specific chainring designs or aftermarket compatibility.
- Is a 34T chainring better for climbing or sprinting?
Lower tooth counts like 34T are generally better for climbing and maintaining cadence on steep grades when paired with the right chain and cassette. Higher gears are better for top-end speed on flat terrain.
- What is YAW technology in SRAM chainrings?
YAW improves chain engagement and shifts consistency by optimizing the chainring’s geometry for dynamic drivetrain use, particularly on SRAM systems.
- How do I know if a chainring will fit my crank?
Check the crank’s BCD, bolt pattern, and compatibility with 8–12-speed chains. Also verify if your crank is designed for 4-bolt or 5-bolt mounting and whether the spider type matches.
- Should I replace the outer and inner rings together?
Often yes, to maintain matching chainline and shifting performance. If you’re upgrading one ring, ensure the rest of the drivetrain remains compatible.