Internal gear 3speed hub with coaster brake \n 6061 aluminum hub shell with 13/32" slotted solid axle (175mm overall axle length) \n Gear ratio range of 177% (33% each step) \n Includes 3spline 18 tooth cog and a shifter. Brake lever sold separately \n Optional: matching front track hub, use UR5501
- description:
- Chain Aid