Browsing Road & Track Hubs from Sturmey Archer

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Sturmey Archer Track Hubs
  • Use a front/rear set or match the front with Sturmey 3sp fixed rear or 2sp kickback rear
  • 6061 aluminum shell with sealed cartridge bearing and solid nutted axle (145mm front/175mm rear overall axle length)
  • Rear is flip-flop threaded for freewheel one side, track cog/lockring opposite side
  • Stock rear spacing is 130mm OL, convert to 120mm by removing 5mm spacer behind locknuts on each side
 
item # front/rear axle/spacing (mm) hole color weight in stock?
  UR5501 front 9x100 nutted 32h black 270g YES
  UR5511 rear (fixed/free) 10x120/130 nutted 32h black 335g YES