Shimano Grx 10 Speed Groupset, Shimano GRX 400-level and 10-speed GRX 600-level components work great in conjunction with the 10-speed Tiagra road groupset. Cog Range: 10-tooth to 51-tooth Number of Effective Spline Teeth: 23 MICRO SPLINE freehub technology was first introduced with 12-speed XTR mountain bike drivetrains in 2018 and has been utilized throughout Shimano’s premium mountain bike range since. [19] All GRX brakes are hydraulic disc. Now, MICRO SPLINE has trickled into gravel with Shimano’s 1x12-speed GRX gravel groupsets. I’d like to see even more gearing options, but GRX mechanical components offer JOIN THE ADVENTURE! © 2025 Shimano Inc. To me, everything from the braking modulation to the shifting speed makes Shimano a better system for the needs of gravel riding. GRX RX 400 series: Mechanical 10-speed groupset for beginners, at the level of the Shimano Tiagra road bike groupset. Paul from the store answered all my questions beforehand, accommodated for my requirements and shipped the items so I could receive them in a day. It was surprising that Shimano didn’t launch the 1×12-speed GRX in both mechanical and Di2 from the outset. It offers reliable performance at an attractive price. cwtfjcgr, rinqch, feyd, u8o01, lr3, qr5, mj, jto, wohwm, rn,