Campagnolo 4031 Super Record BB 1.37 x 24 English 68 -SS-120 Titanium Spindle March 18, 2025 admin Campagnolo 4031 Super Record BB 1.37 x 24 English 68 -SS-120 Titanium Spindle. Circa mid to late 1970’s. Excellent condition considering the age, with very low wear marks on the bearing races.