1st layer . 1 Head cup remover fits 1",1-1/8",1-1/4" as well as some low profile and internal head cups . 1 PU-hammer . 1 Star nut setter 1"&1-1/8" . 1 Bearing cup press fits most standard 1",1-1/8",1-1/4" headset cups 2nd layer . 6 x 25L bits w/holder, size: Phillips 1& 2mm,slotted 5 & 7mm,Torx 25 & 30mm . 1 Stubby torque wrench . 1 Freewheel turner and sprocket removal tool for 5-10 speed chain cassettes . 1 bottom bracket wrench for use Shimano hollowtech II & Truvativ GXP & FSA , Campagnolo . 1 Crank installation tool for use Shimano . 1 Cartridge bottom bracket tool for Shimano cartridge bottom bracket . 1 Freewheel remover for Shimano HG cassettes, with centre pin . 1 x 2 in 1 cotterless crank tool - For standard square type crank & Shimano splined Octalink and ISIS 3rd layer . 1 Double-ended wrench (8 and 10mm) . 1 Multi-wrench chainring nut wrench Torx 40/Hex 6 mm . 1 T25/T30/T40 "Y" wrench . 1 Professional hub cone wrench 13mm . 1 Professional hub cone wrench 14mm . 1 Professional hub cone wrench 15mm . 1 Professional hub cone wrench 17mm . 3 Tire levers . 1 Measure tape (3m/10ft x 16mm-5/8") . 8 Hex key wrench sets . Size:2/2.5/3/4/5/6/8/10 mm . 1 x 1/4"Drive torque wrench bit socket set 3-15Nm . 6 Bit socket: Hex 2/3/4/5/6mm, Torx 25 4th layer . 1 Pedal wrench 15mm . 1 Multi-function pedal wrench . 15mm pedal wrench and 14 / 15 box wrenches . 1 x 2 In 1 chain checker and chain hook . Function ,easy to use chain wear checker . 1 Professional cable cutter . 1 Spoke wrench for 3.2mm (0.127") nipple (black) . 1 Spoke wrench for 3.3mm (0.130") nipple (green) . 1 Spoke wrench for 3.5mm (0.136") nipple (red) . 1 Mavic spoke wrench (yellow) . 1 Aero spoke key 0.9/1.3/1.3/1.9 mm . 1 Chain rivet extractor for 8,9,10 speed chains with 1 spare pin and 1 chain pin guide