Shimano GRX double chainrings come in 48/31t and 46/30t combinations. Shimano’s GRX brakes take Servo Wave tech from the company’s mountain bike groupsets to increase braking power and modulation for steeper, more technical descents.Īs with road and MTB drivetrains, you can choose between mechanical or electronic groupsets with Shimano and SRAM options. Shimano GRX has options for 10-speed, 11-speed and 12-speed setups, SRAM XPLR uses a 12-speed cassette, while Campagnolo Ekar pushes on further to 13 sprockets.īesides gearing, these gravel bike groupsets have been designed to contend with the increased braking demands of gravel riding. The numbers of gears, or ‘speeds’ on the cassette, they offer overlaps and differs. Russell Burton / Our MediaĪcknowledging the surge in popularity of gravel riding, all of the major groupset manufacturers have released gravel-specific groupsets over the past few years: Shimano GRX, Campagnolo Ekar and SRAM XPLR.Īll three share wider gear ranges than equivalent road bike groupsets. SRAM’s XPLR cassette offers a 440 per cent range with sprockets ranging from 10-44t.
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