Vintage Sampson Topline Titanium Bottom Bracket 68mm 112.5 113mm Ti Spindle

Vintage bottom bracket, axle is non-magnetic, likely Ti. Looks like Topline or Sampson.

68 mm English-threaded cups with integrated lockrings and a machined hollow alloy spindle with square taper ends.

Compatible with many bicycles that take 68 mm BSA shells and square taper cranks; includes both cups plus crank bolts and washers as pictured.

Approx 112.5-113mm

Actual Measurements: Shell width marking: 68 mm, Spindle length: 112.7 mm, Weight: 185 g.

The alloy body carries a handwritten 68 mm marking, and a green tape label visible in one photo reads 'Sampson or Topline' for reference.

English Threaded. Spins well. Vintage bottom bracket with Ti spindle. Looks like Sampson or Topline. Some nicks and oxidation on cups, lockrings and spindle. Bolts are non-magnetic. Old grease and dirt are present around the threads and bearing areas. Marker writing and other engraved characters appear on the alloy body. Hardware shows tool marks and light surface rust. Bearings rotate by hand but service history is unknown, so cleaning and lubrication are recommended. Includes cups, lockrings and crank bolts/washers only.