Established in 1992, Sumai Bicycle Co.,Ltd. is one of the biggest China harley trike manufacturer and wholesaler. We've gotten the WMI (World Manufacturer Identification) since 2005. Our company has perfect quality management systems with ISO9001 international quality authentication in 2002 and pays great attention to new product development. We have high-quality staff at design, oem harley davidson trike development and production fields, and have introduced in qualified personnel from foreign bicycle enterprise. Most of our products have been approved with CE certificate, and some approved with EEC, EPA and CARB.

Last friday Harley-Davidson announced the development of a new "style" of motorcycles, the three-wheeled vehicles also known as 'trikes' will become the new Harley Product. It will be made in cooperation with the South Dakota company Lehman Trikes which already produces many three-wheeled vehicles for other popular brands like Honda and Toyota. There are no details about when the new Harley trikes will become available, or their price or anything else for that matter. One thing is for sure, the back tires will be huge and car alike. I don't think I will see many Harley owners looking at the new trikes with admiration, or having the desire to ride them. Once again, only time can tell. The new product can have some kind of specific riders in mind: disabled, people, riders who aren't secure with other motos (and others) might love it, or not.

The D.F.T. independent suspension system starts with a differential mounted in a two-piece case. The case is 'O' ringed and sealed at the drive axles and mating surfaces. This serves as the adaptation device that maintains the motorcycle's original drive location and provides a mounting for the brake rotor. The drive spool is then mounted in a pair of main castings that are the foundation for mounting and placement to the motorcycle, lower suspension pivot points, upper shock mounts, brake caliper mount, drive spool and inner half shaft bearing bosses.
All steel components, such as the lower arms and drive shafts, are T.I.G. welded and plated in zinc dichromate. The lower arms are fitted with tapered roller bearings at both the main casting and outer carrier pivot points for long life and smooth suspension movement. The half shafts use automotive type universal joints equipped with grease fittings.
The outer wheel carrier employs a sealed, double row ball bearing hub that mounts a 5 bolt x 100mm bolt circle, 16" front wheel drive rim available in numerous styles from many sources. The four shock's coil-over shock system provides tunable stance, balance and vertical position. To complete the system and enhance cornering and steering, a sway bar is provided. It is easily adjusted through a turnbuckle and locknut arrangement, and is mounted with spherical ends enabling a quiet, smooth, positive operation.
The DFT trike kit is an easily installed, versatile and adjustable, bolt-on package. What this means to you is a good handling and extremely smooth and stable three-wheeled motorcycle. Let us build one for you and experience the difference an independent suspension can make.

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