Crafted from high-precision, high strength aluminum alloy, this tool boasts enhanced durability and strength. Its updated tooth profile optimizes the fit between the tool and high-performance BB parts, ensuring safe and efficient operation without causing any damage to your valuable components. With its 6-in-1 design, this tool is suitable for 12/16-notch bottom bracket tool fittings with a nominal outer diameter of 39/41/44/46/49mm, and crank arm cap install removal, making it a versatile solution for all your needs. 23.2cm whole length to provide great leverage and is made of high strength aluminum alloy for improved functionality and longer life. 16-Notch X 39mm - Fits for Shimano XTR BB91/3/4 & Dura-Ace R9100, STEPS E6000, E6002, E6050 and more. bicycle repair tools crank arm hollowtech shimano taiwan cap installation tool bike ii Shimano 5-in-1 Bike For 12/16-Notch 39/41/44/46/49mm External Cups Lockring And Crank Arm Cap Install Removal Wrench For Shimano, SRAM, FSA, Rotor, Chris King, Truvativ GXP, Black Bottom Bracket Tool Fits many external threaded types for: Campagnolo, Fulcrum, Chris King, Hope, Surly, Wheels, and more. 12-Notch X 46mm - Fits for SRAM DUB, Race Face Cinch, Rotor BSA30, Zipp Vuma, and Hawk Racing BB3086, and more. PRODUCT SPECIFICATIONName: 6-in-1 Bike Bottom Bracket ToolApplication Range: Suitable for 12/16-notch bottom bracket tool fittings with a nominal outer diameter of 39/41/44/46/49mm, and crank arm cap install removalSize: 232*58*24.4mm(9.13*22.83*0.9in)Weight: 158.6g/75.59ozColor: BlueMaterial: Aluminum AlloyPACKAGE INCLUDES: 1 PC 6-in-1 Bike Bottom Bracket Tool, 1 PC Crank Arm Cap Tool.