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BSA (English)

julio 26, 2026

Vintage Road Bike Bottom Bracket Set Used MTBS704 Bo 3P

This Vintage Road Bike Bottom Bracket Set is designed for use with English (BSA) bottom bracket shell types on road bikes. Made of steel with a square taper ISO spindle interface, this set includes a bottom bracket with a spindle length of 117mm. Originating from Taiwan, this component is essential for maintaining the proper functioning of your road bike's drivetrain. Let me know if you need additional measurements.
julio 26, 2026

Shimano BB-UN71 Sealed Bottom Bracket 68mm BSA 115mm Deore Square Taper Japan

Shimano BB-UN71 Sealed Bottom Bracket 68mm BSA 115mm Deore Square Taper Japan Brand: Shimano Model: BB-UN71 sealed cartridge bottom bracket Made in Japan; label shows "VIA JAPAN" and "PAT. PEND" Interface: JIS square taper spindle Shell width: 68 mm (digital caliper photo shows 68.79 mm) Spindle length: 115 mm (digital caliper photo shows 114.95 mm) Thread standard: For 68 mm English/BSA shells Weight: 235 grams shown on scale Features: Sealed cartridge unit with integrated cups; drive side marked "R" Included: Bottom bracket only—no crank bolts or spacers Previously installed; scuffs and tool marks on tapers and cups. Threads intact; no cracks seen. Crank bolts not included.