STANDARD BOTTOM BRACKET, BB-UN300, SPINDLE: SQUARE TYPE, SHELL: BSA 73MM, SPINDLE: LL113, W/O FIXING BOLT Water Bottles 120TPI casing for increased strength

120TPI casing for increased strength and puncture resistance

Enhances cycling performance

OneUp Components Aluminum Pedal

low-resistance indoor cycling

High-performance semi-metallic compound for optimal noise reduction and durability

STANDARD BOTTOM BRACKET, BB-UN300, SPINDLE: SQUARE TYPE, SHELL: BSA 73MM, SPINDLE: LL113, W/O FIXING BOLT Water Bottles 120TPI casing for increased strengthStandard Bottom Bracket BB UN300 with Square Type Spindle The Components Standard Bottom Bracket BB UN300 is a superior choice for those seeking a reliable and durable bottom bracket. This model features a square type spindle, suitable for JIS square taper cranksets, and a BSA 73mm shell. Its design is well suited for high performance cycling, offering excellent stability and alignment. Please note, the crankarm fixing bolts are sold separately. The