Mountain Road Bicycle Bike Repair Tool Kits, Bicycle Chain Removal / Bracket Remover / Freewheel Remover / Crank Puller Remover Tool, Outdoor Cycling Bicycle Maintenance Tool Set Bottom Bracket Wrench + Cassette Freewheel Wrench + Bottom Bracket Cover Wrench Disassemble bottom bracket To help fix when disassembling cassette freewheel Easy and convenient to operate Perfect for Shimano Hollowtech II, Truvativ,etc. Nice grip handle A great tool for the amateur or professional cycle mechanic tinkerer Specification: Material: Carbon steel, Plastic Size: 20cm X 7cm(appr.), Length of Chain :23.5cm(appr.) Multi-function: Repairing and assembling tool for bicycles Package included: 1 x 3 in 1 Cycling Repairing Tool