Shimano 105 BB-5500 68x109.5mm Octalink V1 Spline English Bottom Bracket MFPN=11.4018.009.034 and the palm is also

and the palm is also well insulated with a stitched Primaloft insulation

5") description SoloAir spring kit (120mm)

¾-zip lid with inside pocket

5+ 15 x 110 mm Boost Spacing Red

Shimano 105 BB-5500 68x109.5mm Octalink V1 Spline English Bottom Bracket MFPN=11.4018.009.034 and the palm is alsoShimano 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 Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 250 Spindle Interface Type Shimano Octalink V1 Spindle Length 109. 5 Defined Color Silver Interface English Dimensions 68 X 109. 5Mm