Praxis Works Aero/Time Trial 12-Speed 130 BCD Chainring – High-Performance Road Bike Chainring Upgrade
"They worked as quickly and smoothly as Dura-Ace or SRAM Red – and better than older drivetrains or those outside of the big three.
Pick-up is instant, and even though we tried to upset things by climbing at full power on the big ring and suddenly shifting to the small ring, and by shifting when riding inadvisable chain lines, the Praxis setup stayed resolutely smooth and glitch-free.
… we found chain retention with a 9-speed Shimano chain perfect, the drivetrain running as quietly as it ever had.
Pricing is competitive, and Praxis has delivered a great alternative if you’re looking for a drivetrain upgrade or to change gearing." - Cycling Plus
Upgrade your drivetrain with the Praxis Works Aero/Time Trial 12-Speed 130 BCD Chainring, engineered for elite road cyclists, time trialists, and triathletes demanding top-tier performance, flawless shifting, and durability in all conditions.
Crafted using Praxis’ exclusive LevaTime® technology and CNC-forged manufacturing process, these high-performance 130 BCD chainrings deliver lightning-fast front shifts, exceptional chain retention, and unmatched drivetrain efficiency, on par with Shimano Dura-Ace, SRAM Red, and Campagnolo 12-speed systems.
Optimised for Aero, Time Trial & Road Cycling
Designed for speed and precision, this aero chainring is ideal for time trial bikes, triathlon bikes, and road racing setups.
Advanced LevaTime® Shifting Technology
Offers crisp, immediate front shifting, even under full power or cross-chain conditions.
12-Speed Compatibility
Fully compatible with Shimano 12-speed, SRAM 12-speed (eTap & Yaw front derailleurs), and Campagnolo 12-speed drivetrains, making it a versatile upgrade for a wide range of high-performance road bikes.
Broad Crank Compatibility
Mounts on traditional 5-arm 130 BCD cranksets, and is also compatible with SRAM Exogram 4-arm with hidden 5th bolt designs, as well as premium aftermarket cranksets like Rotor, FSA, THM, Cannondale, Specialized, and LOOK.
Smooth and Silent Drivetrain Performance
Engineered to reduce drivetrain noise and maximise chain retention, even when using 9-speed Shimano chains during testing.
Durability Built for Racing & Training
High-grade alloy construction ensures long-lasting wear, even under race-day power loads and everyday training abuse.
Lightweight Aero Profile
Designed with aerodynamics in mind to help reduce drag and increase efficiency on every ride.
Chainring bolts not included
Available in multiple configurations for varying gear ratios and riding disciplines
Ideal for riders seeking drivetrain upgrades, gearing optimisation, or performance enhancements
Warranty: Backed by a 2-year manufacturer warranty, Praxis Works stands behind its components with industry-leading quality and reliability.
- Updated “Buzz” design for both traditional 5-arm & 4-arm w/hidden 5th (Exogram).
- Now including long and short threaded catch pins (Buzz Rings only).
- LevaTime® shifting technology.
- Cold Forged and Hard Anodized 7075-T6 Aluminium.
- Work with Shimano™ 12, Campy 12, SRAM 12 drivetrains.
- Praxis highly suggest KMC, Shimano™ or Campy chains.
- Not compatible with Campy 5-arm or 4-arm as Campy has proprietary bolt pattern.
- The Praxis standard 130BCD chainring is GREAT for use with Di2 or EPS systems.
- InfoCrank, Power2Max, SRM, and Quarq power meter compatible.
Upgrade your drivetrain with the Praxis Works Aero/Time Trial 130 BCD Chainring, the perfect blend of speed, strength, and seamless compatibility. Whether you're racing against the clock or training for peak performance, this is the chainring that delivers.