BOTTOM BRACKET, BB-UN300-K, EBBUN300KB17X

Shimano BB-UN300 Square Spindle Bottom Bracket: A High-Quality Component for Your Bike

Upgrade your cycling experience with the Components brand Shimano BB-UN300 Square Spindle Bottom Bracket, model BB-UN300-K, EBBUN300KB17X. Designed to fit JIS square-taper cranksets, this bottom bracket is an essential component for any cycling enthusiast. Its hollow spindle design ensures a lightweight yet robust structure, perfect for enhancing your bike's performance.

This high-quality bottom bracket also features an English BB/Frame interface, and a BB Shell Width of 68mm. Its precise Spindle Length measures 117.5mm, ensuring compatibility with a wide range of bicycle models. However, please note that the crankarm fixing bolts are sold separately.

• Designed for JIS square-taper cranksets
• Features a hollow spindle design
• English BB/Frame interface
• BB Shell Width: 68mm
• Spindle Length: 117.5mm