Harley Davidson Ultra FLHTCUI IRS trike
Belt Drive Independent Rear Suspension
Engine Mounted Reverse gearbox
Rerouted Dual turnout exhausts
Raked front forks
Demountable tow-bar
Hydraulic clutch conversion
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to enlarge.About this trike
Casarva Harley Ultra Classic FLHTCUI IRS trike
We built this Casarva Harley Davidson Ultra trike now up to the North East of England.
The conversion has the Casarva Belt drive independent rear suspension bolt on trike conversion fitted with Casarva differential mated to the original pulley and custom half shafts.
Mudguards painted in the same livery as the bike. 10 Spoke Bola graphite alloys have 225 50 17 tyres and are fitted with LED stop tail and indicators at the back and marker lights to the front. the trike has all new suspension with the correctly rated springs on 12 inch adjustable coil overs and a Casarva anti-roll bar in EN43 spring steel.
The cradle was fitted up and aligned by laser and then once fabrication was complete removed, blasted, zinc primed and powder coated to match the bikes’ frame.
New rear disk brakes perform the braking duties and a stainless trigger handbrake is fitted for parking up.
Front forks were raked to make the steering lighter and the clutch lever was changed from cable to hydraulic to make it easier on the hands.
Chromed turnout silencers were rerouted in stainless steel either side with mirror polished heatshield and an engine mounted mechanical reverse gearbox with electronic cut-out was fitted to the offside of the engine.
We fitted a Casarva demountable tow-bar with single electrics for maximum versatility
We found that the rear rubber engine mounts needed replacing as they were not doing a good job of keeping the engine stable so we turned and mounted a set in billet aluminium.
What is Independent Rear Suspension (IRS) on a trike?
Casarva IRS (independent Rear Suspension) trikes handle better and and are more comfortable to ride than those with a solid axles. The tyres stay planted in the road surface giving you maximum control if the road gets a little tricky because each side has its own suspension system which are connected by an anti-roll bar made in spring steel. This assists the shock absorbers in keeping the rear end planted, reduces rider shock and assists with steering.
The drive line, irrespective of being shaft, chain or belt driven, has a differential which allows the wheels to turn independently of each other via half shafts which have been tailor made to each trike and there are options on the track width and wheelbase length to make sure that the trike is set up to be the best it can be. Tyres and wheel size are selected to works best with each trike – one size definitively does not fit all not fit all.
Casarva are the recognised experts in motorcycle to trike conversions with many years of experience. Please contact us if you want to no more, there is no obligation we want people to make informed decisions when they are thinking about a trike wherever they get it from.
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