Casarva DIY IRS Shaft Drive Trike Kit

IRS Trike Conversion Kit

Gallery – Click on a photo below to enlarge

All Casarva Trike kits feature Independent Rear Suspension (IRS)

The Casarva “Brute” family of Kits are made in 31.75mm (1.25″) 2.64mm walled British Steel Tube which is very strong.

All of our DIY IRS Shaft Drive Trike kits are ready to receive the BMW 5 Series E39 Differential (just tell us which side your bike’s shaft is on for configuration).

Scroll down for a list of whats included with the kit.

You will need access to welding and machining facilities to mount the kit to your bike. We will give you advice and photos on the same or if not similar bike to trike conversions we have built at the Casarva works to help you with that.

Just £2495 inc VAT (£2079 no VAT**)

**Customers with a qualifying disability may not pay VAT.
Export customers do not pay VAT.

What do you get in the kit?

1 x Differential Cradle
Receives a BMW E39 5 series Differential. Configured for left or right shaft drives
2 x Top Wishbones
With camber adjusters
2 x Bottom Wishbones
with bottom shock mounts
2 x Hub Carriers
With brake caliper mounts
2 x Mudguard brackets
to be welded to the top of the hub carriers and formed over the tyres

1 x Pack of Connecting tubes
To weld to the cradle and bolt to the bike frame
1 x Set of Polybush & Insert (crush) tubes
fit inside the polybushes
1 x High Tensile Nut and Bolt Kit (BZP)
all sized to fit
1 x Set of 14 M6 Grease Nipples
to fit to each of the pivot points for easy maintenance

Your Parts Shopping List

If you can’t find them yourself – ask us for a price

1 x BMW E39 5 SERIES CAR DIFFERENTIAL (check ratio)
1 x Casarva Anti Roll Bar Kit
En43 Spring steel with drop links and clamps
2 x BMW e39 type half shafts
Can be supplied cut to length
2 x BMW E39 / E60 wheel hubs
E60 hubs may also be used (check wheel fitment)
2 x 12” x 2.25” diameter shocks
With 6″ or 7″ springs to rated to suit
2 x Hydraulic / Mechanical brake calipers and pads
1 x Rear Brake Master Cylinder 11/16 inch
1 x Handbrake, adjuster and cable

1 x Re-engineered propshaft
2 x Mudguards
Suitable for the size of wheel and tyre you are fitting
2 x Front facing marker lights, rear stop / tail lights & indicators
Options available
1 x Braided Rear Brake Hoses
2 x Wheels BMW E39 or E60 / 61
Both 5 Series need to match hubs pattern (minimum 16 inch)
1 x Hazard warning light kit
If required
2 x Rear Reflectors

Construction & Dimensions

Cradle is made to accept a BMW E39 5 series differential

Construction
31.75mm (1.25”) British round mild steel tubing 2.64 wall. All pivots pickups in laser cut 5mm mild steel.
Dimensions
Cradle dims: Length 460mm x 470 wide x 370mm high will give you approx 1550mm rear track across wheel outer rim faces). Alternative Narrow track wishbones will give approx 1450mm across the wheel outer rim faces).

Back to DIY IRS Trike Conversion Kits

Like what you see? Why not get in touch?

Casarva are experienced in converting not only the standard but the unusual. Backed by years of experience, attention to detail and quality of finish – get in touch about your ideas today for expert advice from the Casarva team.