Deore M6100 or M4100 brakes will mount but the positioning is not optimal so Wolftooth considers them not compatible

it doesn't have a huge multitude of compartments

Agricultural yes

What size bikes (wheelbase) can it carry: The max wheelbase size is 140cm so you should be safe to carry even the longest of 29ers (for now)

Park SBS-1.2 Socket And Bit Set PDP|Option Deore M6100 or M4100 brakesA perfect selection of sockets and bits for the home mechanic! Having the correct tools is half the battle for home mechanics! Thankfully, Park's SBS 1. 2 Socket And Bit Set covers all the common bits you need to work on your bike. The 3 8" drive set is built from chrome vanadium steel guaranteeing that the set will last years! Includes: All sockets and bits are 3 8" drive. 3, 4, 5, 6, 8 and 10mm hex Long reach 5 and 6mm hex. Long reach T25, T30 and