New Oval Chainrings for 2021 Gravel Cranksets

Our customers spoke, and we listened. We are proud to introduce our new gravel chainrings for Shimano GRX and SRAM AXS cranksets, as well as new sizes for AXS-compatible chainrings on Shimano and ROTOR Cranksets. Now available for July/August preorder, we have options for converting an AXS 2x crankset to 1x, running oval chainrings on your GRX crankset, or running oval chainrings on your SRAM AXS crankset. To spare you the deluge of numbers and tech specs, we've simplified it all into a few charts below. 

ROTOR oval chainrings for gravel, new 2021 options

Click Here to browse new gravel chainrings

SRAM® AXS Chainring Specs 
Chainring Options 48/35 50/37
BCD
107x4 
107x4 
Weight 144 grams 161 grams
Ovality 12.5% 12.5%
Chainline 43.5 mm 43.5 mm
Crankset Compatibility

SRAM Red eTAP AXS 107x4
SRAM Force eTAP AXS 107x4
SRAM AXS Power 107x4

SRAM Red eTAP AXS 107x4
SRAM Force eTAP AXS 107x4
SRAM AXS Power 107x4

 

SRAM® AXS Chainrings for
Shimano
® 110x4 Cranksets or ROTOR 110x4 Cranksets 
 
Chainring Options 48/35 50/37 *NEW
BCD 110x4 110x4
Weight 140 grams 155.5 grams
Ovality 12.5% 12.5%
Chainline Standard - 43.5 mm
Offset - 46 mm
Standard - 43.5mm Offset - 46 mm
Crankset Compatibility Shimano 110x4 Cranksets w/o drive-side power node
ROTOR 110x4 cranksets (including INspider and MAS)
Shimano 110x4 Cranksets w/o drive-side power node
ROTOR 110x4 cranksets (including INspider and MAS)

Shimano® GRX® Chainring Specs
Chainring Options 46/30 48/31
BCD
110x4 outer/80x4 inner
110x4 outer/80x4 inner
Weight 123 grams 149.5 grams
Ovality 12.5% 12.5%
Chainline 46.9 mm 46.9 mm
Crankset Compatibility
Shimano® GRX® crankset
(FC-RX810-2)
Shimano® GRX® crankset
(FC-RX810-2)


Click here for GRX-compatible 1x chainrings.

Click here for GRX-compatible 1x bolt sets.

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