Grin Double Bob Brand_Sunrace 5" & 29" wheel diameters

5" & 29" wheel diameters

Really tough

Offering a special patented interlocking of the outer and inner rings (Dovetail Interlink Technology) giving optimum braking performance even under heavy loads

The next-gen electric bike for next-gen riders

Maximum load: 25 kg / 55 lbs

Grin Double Bob Brand_Sunrace 5" & 29" wheel diametersThe Double Bob rail provides for a convenient and secure means of attaching a Hailong 03 Downtube battery to any any location on the bicycle frame tubing regardless of the eyelet position. These pieces are CNC machined from solid aluminum stock and provide a wide and flat platform for the battery cradle to rest, so there is none of the rocking or play that is sometimes present with waterbottle eyelets. Machined channels allow up to 3 hose clamps to