Productomschrijving
Product Description The BB-ES51 bottom bracket from Shimano - Versatile The BB-ES51 is a versatile Shimano bottom bracket with Octalink construction and 8-speed gearing. It is compatible with older MTB cranks and the Tiagra FC-4401. Its axle is made of plated steel. Specifications:Application:All Mountain, CityType:BSAShell Width:68 mm, 73 mmAxle Length:113 mm, 118 mm, 121 mm, 126 mmAxle Type:Octalink (MTB)E-Type Compatibility:noChaincase Compatibility:noTechnical Information:Bearings:steelAxle Material:steelBottom Bracket Cup Material:composite (left), steel (right)Compatibility:Octalink crank arms with eight-speed splines for longer grooves (Octalink MTB) Recommended for: FD-M530FC-M540FC-M510FC-M470FC-M440Tiagra FC-4401 (113 mm)Tiagra FC-4404 (121 mm)Features:hollow constructionoversized bottom bracket axle: large 22 mm hollow axle increases strength and load capacity while reducing weightmulti-tooth connection between bottom bracket axle and crankssealed compact bearingsTechnology:Octalink In Shimano's Octalink system, the bottom bracket and crank are connected by an 8-tooth contact surface. This provides greater rigidity and greater load capacity, especially compared to conventional square systems. Models:BSA 68x113: Threads:BSAShell Width:68 mmAxle Length:113 mmManufacturer Number:E-BBES51B13 BSA 68x118: Threads:BSAShell Width:68 mmAxle Length:118 mmManufacturer Number:E-BBES51B18 BSA 68x121: Threads:BSAShell Width:68 mmAxle Length:121 mmManufacturer Number:E-BBES51B21 BSA 68x126: Threads:BSAShell Width:68 mmAxle Length:126 mmManufacturer Number:E-BBES51B26 BSA 73x113: Threads:BSAShell Width:73 mmAxle Length:113 mmManufacturer Number:E-BBES51C13 BSA 73x118: Threads:BSAShell Width:73 mmAxle Length:118 mmManufacturer Number:E-BBES51C18 BSA 73x121: sold out Threads:BSAShell Width:73 mmAxle Length:121 mmManufacturer Number:E-BBES51C21Contents:1 x Shimano BB-ES51 bottom bracketOrder Together:bottom bracket tool TL-UN66 or TL-UN74-S in combination with wrench TL-FC31 Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com