shimano 105

Shimano 105 (R7100) and Ultegra (R8100) are the mid and premium tiers of Shimano’s road groupset range. Both are 12-speed, both come in mechanical or wired-electronic Di2, and both use hydraulic disc brakes. The differences: Ultegra is ~250 g lighter, has slightly faster shifts, and costs about 60% more. For 99% of riders, 105 delivers … Read more