The new Shimano GRX gravel group is nice, however the official 1x chainring choices are restricted. Shimano gives solely 40- and 42-tooth rings. Wolf Tooth Part’s Drop Cease ST chainrings improve that considerably, with each spherical and oval choices.
WTC’s choices vary from 36- to 46-tooth, and weights vary from 65.5g as much as 102g. They use identical 110BCD uneven 4-bolt mounting sample and 50mm chainline to match GRX’s specs. Bigger 48, 50, and 52 tooth counts are within the works for later this yr.
The “ST” variations are designed for Shimano’s 12-speed Hyperglide chains, which is what the brand new 12-speed GRX teams use. The identical chainrings are additionally out there of their “Drop Cease B” tooth profile, which is for SRAM FlatTop and Eagle 12-speed chains in addition to 9/10/11/12-speed chains from KMC, Connex, Wipperman, and Campagnolo.
The brand new GRX group lets you swap cassettes and derailleur cages, however these make it simpler to vary the gear ratios relying on the severity of the gravel you’re driving, with out affecting the entire gear vary.
