Sealed Bearing Bottom Bracket 68mm BSA 1.37x24T 120mm Square Taper Adjustable
Part type: sealed bearing bicycle bottom bracket for BSA / English 68 mm shells.
MIght be designed to be adjustable left/right
Construction and color: silver alloy threaded body with integrated cups and lockrings, plus a black steel square taper axle and matching crank bolts.
Design details: cartridge-style sealed bearings, extended threaded cups for 68 mm shells, square taper crank interfaces on both sides, and spanner flats/notches on the chromed lockrings for installation and removal.
Markings: lockrings are stamped "SEALED BEARING" and "TAIWAN 1.37x24T", indicating English 1.37 x 24 TPI threading.
Actual Measurements: overall length 120.4 mm, body width 68.8 mm, weight 425 g as shown on the digital displays.
Application: suitable for road, mountain, BMX, gravel, or commuter bikes using BSA / English 68 mm bottom bracket shells and square taper cranksets where a 120 mm cartridge is required.
Listing includes the single bottom bracket cartridge with both crank bolts only in a clear storage bag; any measuring tools, scales, or other items visible in the photos are for reference only and are not included.
Used sealed bottom bracket with smooth-running bearings; see condition description and photos for more details.
Used sealed bearing bottom bracket with smooth bearing rotation when turned by hand. Silver alloy cups and body show small scratches, nicks at the spanner notches, and finish dulling from prior installation and removal. Axle ends and crank bolts have tool marks and surface wear, while threads on the cups and bolts are clean and intact. Supplied as the bottom bracket cartridge with both crank bolts only in a clear bag, with no spacers, tools, or original packaging included.