Product Description Ultra Cycle Bottom Bracket Socket Tool – Shimano / Campagnolo / GXP / MegaExo Key Features: Socket-style bottom bracket tool for installation and removal of external bearing bottom brackets Durable steel construction for long service life and reliable engagement Compatible with standard ratchets, breaker bars, and torque wrenches Compact design allows access in tight spaces and professional workshop use Precision-machined interface helps reduce slippage during servicing Suitable for routine maintenance, upgrades, and complete bike builds Fitment Details: Compatible with many Shimano Hollowtech II external bearing bottom brackets Works with select Campagnolo external cup bottom bracket systems Suitable for SRAM GXP and FSA MegaExo bottom brackets Designed for external bearing cups using the common 16-notch tool pattern Check bottom bracket specifications before purchase to ensure compatibility Not suitable for square taper, ISIS, Octalink, or cartridge bottom brackets requiring different tools Included Items: Ultra Cycle Bottom Bracket Socket Tool