Shimano UN300 bottom bracket JIS. Shimano UN300 Bottom Bracket Square Taper. Shell: 68mm. Thread type: BSA.

Item Length: 107 mm
Model: UN300
Country/Region of Manufacture: Indonesia
Custom Bundle: No
Compatible Brand: Shimano
Material: Steel
Part Type: Bottom Bracket
Compatible Bike Type: Hybrid/Comfort Bike, Road Bike - Racing, Road Bike - Touring, Universal, Cyclocross Bike, Dirt Jumper, Folding Bike, Track Bike
MPN: BBUN300
Modified Item: No
Spindle Interface Type: Square Taper
Shell Width: 68 mm
Spindle Length: VARIOUS
Non-Domestic Product: No
Type: English
Set Includes: Bottom Bracket
Brand: Shimano
Bottom Bracket Shell Type: BSA (English)
Spindle Type: Square Taper - JIS