Shimano 105 BB-5500 Bottom Bracket - Italian 70 x 109.5mm Octalink V1 Spindle Interface MFPN=300-1028-003 }Wheels Manufacturing Derailleur Hanger -

}Wheels Manufacturing Derailleur Hanger - 475

Bearing Grade ACB Sealed Headset Type ZS External threadless SHIS Lower ZS56/40 S

}Surly Disc Trucker Bike - 26" Steel Pea Lime Soup 42cm

Replaces skewer to provide a mount for the Surly Bill and Ted trailers

Shimano 105 BB-5500 Bottom Bracket - Italian 70 x 109.5mm Octalink V1 Spindle Interface MFPN=300-1028-003 }Wheels Manufacturing Derailleur Hanger -Shimano 105 BB 5500 Bottom Bracket Italian 70 x 109. 5mm Octalink V1 Spindle Interface. Shimano BB 5500 Octalink V1 Bottom BracketsFits Shimano Octalink V1 Spline Cranksets FC 7700 FC 7703 FC 6500 FC 6503 FC 5500 FC 5501 FC 5503 FC 5504 cranks Crankarm fixing bolts not included TECH SPECS Defined Color Silver Bottom Bracket Shell I. D. 36 Spindle Length 109. 5 Spindle Interface Type Shimano Octalink V1 BB Shell Width (mm) 70 BB Frame Interface Italian