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Shimano BB-UN300 Square Spindle Bottom Brackets Fits JIS square-taper cranksets Crankarm fixing bolts sold separately Hollow spindle Product Specifics Defined Color: Black Bottom Bracket Shell I.D.: 1.37 Spindle Length: 118 Spindle Interface Type: Square Taper JIS BB Shell Width (mm): 68 BB/Frame Interface: English .

Top{margin-bottom:30px;}. top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Shimano BB-UN300 Bottom Bracket - English 68 x 118mm Spindle Square Taper JIS.

Threading: M47 x P1.0. Spindle compatibility: 24mm. Includes: Bottom bracket as shown. Torque marking: 35–50Nm. Threads and bearing condition should be inspected before installation.

Threading: BSA / English. Spindle standard: SRAM. Bottom bracket type: External threaded. Includes: Bottom bracket as shown.

Spindle compatibility: Shimano Hollowtech II 24mm. Threading: BSA / English. Model: Shimano BB-RS500. Bottom bracket type: External threaded. Includes: Bottom bracket as shown. Bearing smoothness has not been independently verified.