Bearing bicycle bottom bracket. Full bearing structure, good lubricity. VP-BC73 square hole seal bearing shaft. Olive & Connecting Insert. Bearing type bottom shaft. Rear Derailleur. Front Derailleur.
VP BC-73 MTB Road Bike Sealed Cartridge Square Taper Bottom Bracket 68mm 12 Size
VP BC-73 68mm MTB Road Bike Sealed Cartridge Square Taper Bottom Bracket
68mm MTB Road Bike Bottom Bracket Bicycle Axle Square Taper Sealed Cartridge UK
VP BC-73 68mm Mountain Bicycle Sealed Cartridge Square Taper Bottom Bracket
