New (In Box) Shimano 105 BB SM-BB5500
Shimano 105 BB-5500 series bottom brackets have Octalink V1 splinesspindles.
BB-5500 has a 22mm splined, hollow spindle; fits FC-7700 / FC-7703 /FC-6500 / FC-6503 / FC-5500 / FC-5501 / FC-5503 / FC-5504cranks
Defined Color: Silver
BB Shell Width: 68 mm
Spindle Interface Type: Octalink V1
Spindle Length: 109 – 110 mm (109.5)
BB Thread Type: English
Mfg Claimed Weight: 250.0 Grams
CR4800 410328