avid bb7 disc avid speed dial bar clamp diameter bb7 disc brakes bh bicycle corporation bh easy motion bicycle-like electric experience bracket fsa road brake lever velcro brake levers brooks england crankset fsa gossamer derailleur sram x-7 easy motion easy motion usa electric bike electric bike company electric bike phenomenon features rear fender fsa road megaexo height w/ seat
kg rider x-seam kg seat height levers avid speedmirrycle rear view mm bb height** mm seat anglemm total height mm wheel track rear brakes triple rear derailleur