105 和 Ultegra 后拨链器之间有两个区别。 1、最小和最大齿轮尺寸 105 后拨链器具有更长的笼式设计,与 Ultegra 上的 34T 飞轮相比,最多可容纳 36T 飞轮。 2、包埋盒重量 由于某些后拨链器部件使用了较重的材料,105 后拨链器比 Ultegra 重 38 克。 Shimano 105 与 Ultegra 前拨链器 105 和 Ultegra ...
The GRX BR-R820 brake calliper has the same 10 per cent wider pad clearance as the Dura-Ace, Ultegra and 105 12-speed systems, which Shimano claims will reduce incidences of brake rub either due to the rotor heating up or debris getting between the brake pads and the rotor. As with th...
Shimano GRX RX400 Front Derailleur Gravel 2x10s Speed 10Speed For Road Bike Bicycle Part $16.40 - $17.10 Min. order: 2 pieces SHIMANO CN HG40 6/7/8 Speed Chain 112L 116L 118L Link For ROAD Bicycle Bike Original Shimano Chain $5.00 - $8.33 Min. order: 5 pieces Ezmtb Hydraulic Minera...