Cons: Not much this is a great all round rotor

2mm stainless steel inner cables with Optislick coating (1x 2100mm and 1x 1800mm)

The front flap is perfect for spares and tools

To find the correct bearing

These are genuine M8000 replacement levers

Shimano Dyna-Sys 11 Speed Jockey Wheel Set - High Grade - Deore XT Level Virtual Parent Cons: Not much this isShimano make 3 different quality levels of jockey wheels to suit their 11 speed derailleurs. They are all cross compatible, so you can "upgrade" your SLX or XT 11 speed derailleur by adding Premium Grade XTR wheels if you like! At the top of the tree is the Premium Grade XTR Jockey Wheels. These are the same as the orignal jockey wheels found on 9000 or 9020 series derailleurs. They feature exceptionally well sealed cartridge bearings, a mud shedding