Shimano ES300 73 x 121 mm Octalink V2 Spline English Bottom Bracket 689228326491 | eBay
Shimano BB5500B18 105 5500 Octalink Bottom Bracket 68 x 118mm :: £42.30 :: Components. :: Bottom Brackets - Octalink - Short Spline :: For Hand built bike wheels & all your cycling needs!
Shimano BB-5500 105 Octalink Bottom Bracket - Italian 70 x 118mm 4524667134558 | eBay