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Built for this shell, the Micra K11 Half Roll Cage Kit drops into the standard mounting positions without fabrication on a straight car.
Made from CDS (cold drawn seamless) tube, the standard material for competition cages and the one most regulations are written around.
Micra K11 Half Roll Cage Kit specification
| Vehicle | Nissan Micra K11 |
|---|---|
| Brand | SW Motorsports |
| Cage type | Bolt-In |
| Material | CDS |
| Approval | Road & Track |
| Part number | SW-Micra-K11-DIY |
Approval and eligibility
This cage is listed as Road & Track. Check that against the regulations for the championship or class you run in before you buy, because eligibility varies by discipline and by year.
If a cage needs signing off for competition, the paperwork usually has to follow the car, so keep the certification with the logbook. Worth understanding before you commit: what a roll cage actually does in a crash.
Bolt-in or weld-in?
Bolt-in cages mount on spreader plates through the floor and sills. No welding, no permanent change to the shell, and they can come out again. That makes them the sensible choice for a road car, a track day car, or anything you might sell on standard.
Weld-in cages are welded straight to the shell. You get a stiffer car and a better load path into the structure, which is why the sharper end of stage rally and circuit racing runs them. The trade is that it is permanent, it wants a proper fabricator, and the interior usually has to come out to do it.
For most people the deciding factor is the regulations. Check what your class requires first, then pick on practicality. If you are between the two, tell us what you compete in and we will point you at the right one.
Fitting the Micra K11 Half Roll Cage Kit
A bolt-in cage mounts on spreader plates through the floor and sills. It can be fitted without welding, and it can come back out, which matters if the car is a road car or a lease-return shell.
Dry fit the whole cage before anything is permanent. Check door and window clearance, seat position, and that you can still get in and out in a helmet with a harness on.
Roll bar padding is not optional on tubes near the driver or passenger head. Budget for FIA-rated padding when you order the cage, not afterwards.
Micra K11 Half Roll Cage Kit questions
Is the Micra K11 Half Roll Cage Kit a direct fit?
It is built for this shell, so the mounting points and tube runs are already correct on a standard car. Previous accident damage or a non-standard interior can still change what is needed.
Can I fit the Micra K11 Half Roll Cage Kit myself?
A competent home mechanic can fit a bolt-in cage. It needs care over the spreader plates and the torque on the mounting bolts, and it is a two-person job to get the main hoop in.
Will it pass scrutineering?
It is listed as Road & Track. Check the current regulations for your class, and keep the certification with the car. If you tell us what you compete in we will confirm before you order.
Does it affect my insurance?
Yes. A cage is a notifiable modification. Tell your insurer before the car goes back on the road, and be specific about the cage type, because some insurers treat bolt-in and weld-in differently.
Do I need harnesses as well?
A cage with a harness bar is designed to mount harnesses properly. If you are fitting harnesses at the same time, see our harnesses, and make sure the mounting angles suit the seat you are running.
How much weight does a cage add?
A rear cage is the lightest option, a full multipoint cage the heaviest, and material choice moves it again. T45 saves weight over CDS for the same strength, which is why it costs more. Weight gain is usually worth it for what the cage does to shell stiffness.
Can I still use the back seats?
Depends on where the backstays land. Check the design listed above, and tell us how you use the car if you need it confirmed.
Is the Micra K11 Half Roll Cage Kit paint finished?
Cages are normally supplied in the manufacturer’s standard finish. If you need a specific powder coat colour, ask us before ordering because it usually adds lead time.
If you need the Micra K11 Half Roll Cage Kit confirmed against your shell, sunroof, or the regulations you run under, send us the details and we will check before you order.
See more roll cages. Other cages for the Nissan Micra K11: Nissan Micra K11 Track Day Half Cage, Nissan Micra Mk2 Bolt-In Rear Roll Cage, Nissan Micra Mk2 6 Point Bolt-In Roll Cage.
