Shimano BB-UN300 Bottom Bracket - English, 68 X 115mm Spindle, Square Taper JIS

About This Product

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line. Material: adapter: aluminium (left), aluminium / steel (right Product Specifications MODEL NO: BB-ES300 SERIES: SHIMANO ALIVIO T4000 Series Structure_Standard: ✔ Axle length/shell width (mm)_113_73 (BC1.37): ✔ Axle length/shell width (mm)_118_68 (BC1.37): ✔ Axle length/shell width (mm)_118_70 (M36): ✔ Axle length/shell width (mm)_118_73 (BC1.37): ✔ Axle length/shell width (mm)_121_73 (BC1.37): ✔ Axle length/shell width (mm)_126_68 (BC1.37): ✔ Axle length/shell width (mm)_126_73 (BC1.37): ✔ Axle length/shell width (mm)_113_68 (BC1.37): ✔ Axle length/shell width (mm)_113_70 (M36): ✔ Axle length/shell width (mm)_121_68 (BC1.37): ✔ Spindle_Hollow pipe: ✔ Spindle_OCTALINK: ✔ SKU#: BSA 68x113: Threads: BSA Shell Width: 68 mm Axle Length: 113 mm Part Number: EBBES300B13 BSA 68x118: Threads: BSA Shell Width: 68 mm Axle Length: 118 mm Part Number: EBBES300B18 BSA 68x121: Threads: BSA Shell Width: 68 mm Axle Length: 121 mm Part Number: EBBES300B21 BSA 68x126: Threads: BSA Shell Width: 68 mm Axle Length: 126 mm Part Number: EBBES300B26 BSA 73x113: Threads: BSA Shell Width: 73 mm Axle Length: 113 mm Part Number: EBBES300C13 BSA 73x118: Threads: BSA Shell Width: 73 mm Axle Length: 118 mm Part Number: EBBES300C18 BSA 73x121: Threads: BSA Shell Width: 73 mm Axle Length: 121 mm Part Number: EBBES300C21 BSA 73x126: Threads: BSA Shell Width: 73 mm Axle Length: 126 mm Part Number: EBBES300C26 SKU# Model MPN Shimano BB-ES300 BSA Threaded 68mm Octalink V2 121mm Bottom Bracket EBBES300AKB21 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 121mm Bottom Bracket EBBES300AKB21W Shimano BB-ES300 BSA Threaded 68mm Octalink V2 113mm Bottom Bracket EBBES300B13 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 118mm Bottom Bracket EBBES300B18 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 121mm Bottom Bracket EBBES300B21 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 126mm Bottom Bracket EBBES300B26 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 113mm Bottom Bracket EBBES300EB13 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 118mm Bottom Bracket EBBES300EB18 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 121mm Bottom Bracket EBBES300EB21 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 126mm Bottom Bracket EBBES300EB26 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 121mm Bottom Bracket EBBES300KB21 Shimano BB-ES300 BSA Threaded 68mm Octalink V2 126mm Bottom Bracket EBBES300KB26 Shimano BB-ES300 Italian Threaded 70mm Octalink V2 113mm Bottom Bracket EBBES300I13 Shimano BB-ES300 Italian Threaded 70mm Octalink V2 118mm Bottom Bracket EBBES300I18 Shimano BB-ES300 BSA Threaded 73mm Octalink V2 113mm Bottom Bracket EBBES300C13 Shimano BB-ES300 BSA Threaded 73mm Octalink V2 118mm Bottom Bracket EBBES300C18 Shimano BB-ES300 BSA Threaded 73mm Octalink V2 121mm Bottom Bracket EBBES300C21 Shimano BB-ES300 BSA Threaded 73mm Octalink V2 121mm Bottom Bracket EBBES300EC21 Shimano BB-ES300 BSA Threaded 73mm Octalink V2 126mm Bottom Bracket EBBES300C26 Shimano BB-ES300 BSA Threaded 73mm Octalink V2 126mm Bottom Bracket EBBES300EC26 *Note: Images are for representational purposes only. Shimano BB-UN300 Bottom Bracket - English, 68 x 115mm Spindle, Square Taper JIS. SKU: CR3485. Price:$19. Quantity. 182 In Stock Actual size / packaging varies with product type/size. VP BC-73 MTB Road Bike Sealed Cartridge Square Taper Bottom More stable chain line thanks to stabiliser Provides support BB-ES300 Stiff and lightweight for efficient power transfer Durable spline-reinforced construction The 8-splined OCTALINK interface increases the strength and rigidity of the entire assembly 26 g lighter weight than BB-ES25 Quick and precise assembly Good chain line control with chain stabilizer Specifications: Application: All Mountain, Touring, City Type: BSA Shell Width: 68 mm, 73 mm Axle Length: 113 mm, 118 mm, 121 mm, 126 mm Axle Type: Octalink (MTB) E-Type Compatibility: no Chaincase Compatibility: no Technical Information: Bearings: Steel Axle Material: Steel Bottom Bracket Cup Material: composite (left), steel (right) Compatibility: Octalink crank arms with eight-speed splines for longer grooves (Octalink MTB) FC-T521 FC-T4010 FC-T3010-8 FC-M523 FC-M522 FC-M4000 FC-M430- 8 FC-M3000-8 FC-R345 Features: hollow construction stiff and lightweight for efficient power transmission robust construction with reinforced ribs 26 g lighter than BB-ES25 fast and precise installation good control of the chain line with chain fixation Technology: OctalinkIn Shimano's Octalink system, the bottom bracket and crank are connected by an 8-tooth contact surface. Mtb Bottom Bracket Shimano BB-UN300 Bottom Bracket - English, 68 X 115mm Spindle, Square Taper JIS Shimano Pedals Thanks to the stabiliser, you get a more stable chain line. Cycling Boutique is The Shimano - The official sales, support, and warranty services for Shimano in India.