Hybrid sport bike type men wheel size 28 inch model 2017 frame material aluminium frame geometry diamond bike frame sizes cm 55 60 50 cm frame sizes m l xl colour black braking system disc brake brakes shimano m425 rear derailleur shimano deore xt number of gears 30 gear system with derailleur front derailleur shimano deore xt crankset shimano fc t8000 brake type hydraulic disc brake cassette shimano hg500 chain shimano hg54 wheel hub