Rotor TRACK30 BSA Bottom Bracket 30 mm Stainless steel bottom bracket for 30mm axle to reduce weight and make a stiffer crankset. Low friction bearings to maximize the performance. Compatible on ALDHU and VEGAST Cranks. SHORT DESCRIPTION BB Size: 68/73 mm BB Bearing Material: Steel Discipline: Track CHARACTERISTICS COLOR BB SIZE BB BEARING MATERIAL COLOR TECHNOLOGIES COMPATIBILITY CRANK AXLE COMPATIBILITY DISCIPLINE Black 68/73 mm Steel Black No No No Track
