Shimano SLX SL-M7100 12 Speed Shift Lever - 22.2mm Bar Clamp - 12 Speed YGroup_7083817730093 These should reduce arm pump

These should reduce arm pump and increase high-fives

RD-M8050 (XT Di2)

Their grease is a bike specific formula suitable for suspension systems

Cons: These shorts are fairly long so they may not be the best choice for XC racers or those looking for a super lightweight short

Shimano SLX SL-M7100 12 Speed Shift Lever - 22.2mm Bar Clamp - 12 Speed YGroup_7083817730093 These should reduce arm pumpThe M7100 12 speed shifter features everything that you know and love about Shimano shifters. Instant Release technology means immediate action at the derailleur and Rapid Fire technology means you can quickly drop up to 3 gears in one push of the lever. The 2 way release design means you can move to a harder gear by pushing or pulling the up shifter and with its ball bearing construction, less force is required to activate it (35% less than the