1x Oval Gravel Chainring
ALUGEAR Oval 1X AERO Chainring for Shimano GRX
A 12% oval AERO single ring for Shimano GRX FC-RX820 and FC-RX810 cranks, helping you keep traction and rhythm on loose climbs. Sizes from 38T to 50T.
Highlights
Why we rate it
Traction on climbs
The oval shape smooths torque delivery, which helps the rear tyre grip on loose surfaces.
Made for GRX
Fits FC-RX820 and FC-RX810 cranks.
Narrow-wide retention
Keeps the chain secure on rough terrain.
AERO styling
Clean outer face for a tidy drivetrain.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Intended use
- 1x11 and 1x12 gravel
- Shape
- Oval, 12% ovality, 108° timing
- BCD
- 110 mm Shimano asymmetric (GRX)
- Compatible cranks
- GRX FC-RX820, FC-RX810
- Not compatible
- FC-RX610, FC-RX600
- Offset
- 0.5 mm
- Weight
- 38T 73 g to 50T 123 g
- Diameter
- 38T 170 mm to 50T 218 mm
- Chains
- Shimano 12sp HG+, KMC 12sp, Shimano 11sp
- Material
- 7075-T6 aluminium, CNC machined
- Finish
- Hard anodised
In the box
- Includes
- 1x AERO chainring
Ordering
Available from The Cycle Collective
Made to order by ALUGEAR. For availability, lead times, sizing or compatibility advice, call 0203 148 6764 or email hello@thecyclecollective.cc.