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Premium ROUND ROAD 2X 110/5BCD Chainring improves front shifting and drivetrain stiffness
What Our Gearhead® Experts Are Saying:
"I recommend these rings when riders want OEM-level shifting with aftermarket durability. They pair well with both mechanical and electronic front derailleurs and hold adjustment well over time."
For riders running classic 2x road drivetrains, the Premium ROUND ROAD 2X 110/5BCD Chainring is engineered to deliver consistent shifting and efficient power transfer. We rely on it for everything from long endurance rides to fast group sessions where clean front shifts matter just as much as rear indexing. Designed by absoluteBLACK, it targets riders who want to restore or upgrade older 5-bolt cranksets without sacrificing modern performance.
The chainrings are CNC-machined from 7075 aluminum to maintain stiffness under high torque while keeping weight in check. Precisely positioned shift ramps and pins work with Shimano-style front derailleurs to guide the chain smoothly between rings, reducing hesitation and noise. The round profile preserves a familiar pedaling sensation, making it an easy transition for riders accustomed to traditional road setups.
Compatibility spans a wide range of 5-bolt 110 BCD cranksets, including many Shimano, FSA, Rotor, Praxis, and SRAM models without hidden chainring bolts. The rings are compatible with 10 and 11 speed drivetrains and work with electronic shifting systems, making them suitable for both mechanical and Di2-equipped bikes.
This chainring set is best suited for road riders maintaining or upgrading 2x drivetrains on endurance, training, or performance-oriented builds where shifting reliability, stiffness, and long-term durability are key priorities.
Details
- Road chainring for 2x drivetrains focused on smooth, reliable shifting
- Round profile delivers a traditional pedaling feel and consistent power
- Compatible with 5-bolt 110 BCD road cranksets
- CNC-machined 7075 aluminum for stiffness and long-term durability
- Optimized shift ramps improve front shifting under load
- Designed for 10 and 11 speed road drivetrains
- Item #ABC0015
- Material
- aluminum
- Number of Rings
- 1
- Teeth
- 34T, 36T, 38T, 50T, 52T
- Bolt Circle Diameter
- 130mm
- Connection
- 5-bolt
- Compatible Components
- Shimano Dura-Ace FC7950, Ultegra FC6750, Shimano 105-5750
- Manufacturer Part Number
- RR34/5BK, RR36/5BK, RR38/5BK, RR50/5BK, RR52/5BK
- Claimed Weight
- [34T] 31g, [36T] 38g, [38T] 44g, [50T] 118g, [52T] 133g
- Activity
- road cycling