The benefits of a Rock Solid Chain less bicycle system are:
- The Shimano Nexus in hub gear system is totally lubricated and sealed at manufacture, meaning:
- All moving components are concealed, so fingers or clothing will not come into contact with any moving drive train components and result in injuries or damage
- Dust, road grime and water ingress are eliminated, and there is a complete impact resistance against external environment knocks and bumps compared to traditional chain and derailleur systems which is totally...
This piston is a replacement for a standard 50cc engine bore.
We machine a relief to the piston skirt & also machine the base of the piston to slightly alter the port duration to suit our engines & will work perfectly on any 50cc Chinese engine.
The Piston Kit Comprises:
1 × 50cc modified piston
2 x Piston rings
1 x Gudgeon pin
2 x C-clips
Rock Solid is offering a complete 50cc kit, which has not been assembled or checked by us. We have been asked for a more cost effective engine kit and here it is, the engine kit comes complete with the items below. Please note, the image shown does not show exact items included and will vary including alternative spark plugs and bolts.
Illegal to be ridden on any public roads in Australia, for off road & track use only!