SHIMANO Splined Hollow Type Bicycle Bottom Bracket – BB-ES300 Review Posted by Pelicandy September 11, 2018 in Drivetrain Components BOTTOM BRACKET BB-ES300 SPLINED/HOLLOW-TYPE AXLE Original Shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity. Random Products Black Ops BMX Chain Tensioner, Black Review Izumi Jet Black Single Speed Chain 1/8″ Blac... SunRace 9-Speed Bicycle Cassette – CSM96 Rev... SRAM X-Sync 2 Eagle 12-Speed Chainring Review Cycling Outdoor Recreation Parts & Components SHIMANO Sports & Outdoors