gruppo shimano 105 r7100 12v disc Crank Arm Variant:175 Designed to offer ultra-precise shifting

Designed to offer ultra-precise shifting and quick response in any condition

This allows you to stiffen the bike on paved sections or steady climbs to avoid wasting energy (maximum responsiveness)

Cogs 12 Compatible derailleur type MTB 12 speed Mounting type|Clamp ✔ Shift cable adjustment ✔ Max multiple shifts (Main lever/Derailleur) 3 Release function|2-WAY RELEASE ✔ OPTICAL GEAR DISPLAY|With ✔ OPTICAL GEAR DISPLAY|Without ✔ Shift cable|Cavo|OPTISLICK ✔ Shift cable|Cavo|Stainless steel ✔ Recommended shift cable housing OT-SP41

Bearings: Ceramic - ABEC5 / P5 - 2RS seals

To allow cyclists using trainers with electronic resistance to compete fairly against those with electric brakes in multiplayer challenges

gruppo shimano 105 r7100 12v disc Crank Arm Variant:175 Designed to offer ultra-precise shiftingSHIMANO 105 is a mid range road group that inherits competition technologies and design to offer a truly unique balance of performance, reliability, and value. Shimano 105 brings new energy to road cycling with its completely renewed interface and 12 speed mechanical shifting. The ergonomic Dual Control levers fit a wide range of hand sizes, while the sub 1: 1 ratio offers excellent options for all climbs. Optimized grip and comfort The new ergonomic