

4kg*. That’s a newborn baby. A 7 week old Labrador puppy. Your Tiga Sub4. By making 72 minute but fundamental changes to the Tiga, alterations that many would simply neglect to notice, we have made an obscenely alluring, pioneering lightweight wheelchair that is as rigid and stable as it is lightweight. Transferring, propelling, lifting, turning… All effortless with your Tiga Sub4.

*excluding wheels, cushion and any non-certified options.
By embracing marginal gains technology, the Tiga Sub4 has been created as an unparalleled ultra-lightweight wheelchair. A completely unique Sub4 upholstery, shortened axle and pin setup, specially designed froglegs super light castors and corrosion resistant titanium fasteners, the Tiga Sub4 is as smart as it is beautiful.

Only the best materials are used in your Tiga Sub4. Aluminium is famous for its strength, durability and is synonymous with lightness. The utmost best performance of your chair is ensured by only using elements produced by market leaders, alongside a staggering 19 quality checks throughout the build, from measure to handover.
Download the full Tiga Sub 4 user manual here







Do you need help with funding your RGK chair?
There are a few different ways in which you can try to get funding for your wheelchair. These choices include NHS Wheelchair Services, Access to Work and charities.
A standard is more than just a "how-to"; it is a map of mid-century mechanical logic. Key sections typically include:
Specialized printing machinery dealers (e.g., PressXchange, IBuyPrinting, or GraphEx) often sell legacy press manuals as digital downloads. They scan original physical copies. Expect to pay between $50 and $150 for a complete, searchable PDF. The advantage is that these come from actual press tear-downs, so they are accurate.
Sites like ManualsLib, Manualzz, and PrintManual.com host user-uploaded PDFs. Search directly for on these platforms. While convenient, these versions may lack the electrical schematics or parts list, so verify the table of contents before trusting it.
Unlike modern digital presses, the KORD 64 manuals are scanned documents from the 1960s-1980s. They are not officially available as a single PDF from Heidelberg’s current website (Heidelberg only provides digital manuals for machines from the late 1990s onward, e.g., SM/CD series).