Product features - BB-ES300 Octalink 68-126mm. BB Type: Octalink V2. Shimano BB-ES300 Bottom Bracket 68 x 126mm. Structure: Standard.
SHIMANO ULTEGRA OCTALINK FC-6500 CHAINSET 172.5 MM 39/52 NICE USED CONDITION
Shimano 105 Octalink Bottom Bracket 68 x 109.5mm 5500 BS Threaded Bike BB
Shimano 105 Octalink Bottom Bracket 68 x 118.5mm 5500 BS Threaded Bike BB
SHIMANO - Bottom Bracket BSA 122.5/68mm-BB-UN300 Square Taper (LL123)
Shimano Bearing Shell BSA Bottom Bracket MTB Hollowtech II for Deore SM BB51 / BB52
