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2019–2020 · Retro Classic · Buyer's Guide
Classic Bones, Real Pull
The Street Twin runs a liquid-cooled 900cc parallel twin with a 270-degree crank, and that firing order gives it the loping, slightly offbeat pulse a modern classic lives or dies on. You get 64 hp and a fat 59 lb-ft, tuned low so the shove arrives early and stays useful at real road speeds. Brembo hardware up front and KYB cartridge forks lift the chassis above token retro, and the styling holds up under a close look. Ride-by-wire throttle maps and ABS sit in the background, doing their job without cluttering the picture. This is the accessible end of the modern-classic world: honest, well built, easy to read from the first mile.
On the road it plays as a friendly all-rounder. The low seat and upright bars make it welcoming to newer riders and easy to live with in town, and the simple controls keep the learning curve short. It ages well because the build quality is genuine and the running costs stay low. The honest caveats: the five-speed box and modest tank tell you this is a relaxed machine, not a distance weapon, and a handful of examples have shown cold-start fussiness. Buy it for character and daily ease, not for outright pace.
Spec sheets don't ride bikes, but they set the baseline.
| Power | 64 hp (48 kW) |
|---|---|
| Torque | 59 lb-ft (80 Nm) |
| Displacement | 900 cc |
| Engine | Parallel twin |
| Cooling | Liquid-cooled |
| Gearbox | 5-speed |
| Final drive | Chain |
| Fork | Telescopic |
| Front tire | 100/90-18 |
| Rear tire | 150/70-17 |
| Wheelbase | 55.7 in (1415 mm) |
| Seat height | 30.1 in (765 mm) |
| Wet weight | 476 lb (216 kg) |
| Fuel capacity | 3.2 gal (12 L) |
Equipment check
Safety
Swing a leg over and the 30.1-inch seat drops you low and flat-footed, which sets the tone before you thumb the starter. The twin settles into a steady, chuggy idle you feel through the pegs and tank, enough to remind you there's a real engine underneath, never so much that it blurs the mirrors. At 476 lb wet it carries its mass low, so it feels lighter rolling off the sidestand than the number suggests. The bars fall right to hand and the reach stays roomy for a bike this size. Around town you flick it between lights with one finger on the clutch, and the seat holds up through a morning of stop-and-go. Wind it out on a back road and it hums along happily at a real-world clip, relaxed rather than frantic, the kind of pace that suits a long Sunday.
Most of this reached me the usual way: emails and messages from owners, plus the conversations whenever riders gather. Over a long stretch of listening, a clear shape emerges for the 2019 and 2020 Street Twin. The strong sentiment clusters around performance, while the gripes stay fewer and calmer.
Riders give the engine the most airtime, and the pattern holds: those trading up from the earlier version describe a punchier, more willing motor, strongest through the middle of the rev range. The front brake collects nearly as much goodwill for its strong, controllable bite. Under that, owners keep returning to a handful they trust: cornering that stays calm and predictable for less experienced hands, the well-executed classic styling, and an easygoing, low seat that suits daily riding.
The downside talk runs thinner and quieter. Only one point carries real weight, and it lands on early-production quality: a wiring harness recall, plus occasional accounts of chain-tensioner, hard-starting, and fuel-leak issues that unsettled some owners at first. Everything else is minor. Taller riders now and then call it cramped and short on legroom, and a few would swap the cast wheels for a spoked set.
Wiring harness misrouting causes engine stall (recall)
The wiring harness from the dash and controls can be damaged by contact with the headstock lug, leading to an engine stall. Triumph issued a recall to install a VIN label protector and reroute the wiring as needed. Affected VINs span 2019-2020 models.
Cold start difficulties and stalling
A few owners report hard starts requiring multiple attempts and stalling at idle, possibly related to fueling or ECU mapping. Dealer reflash sometimes resolves but not always.
Where this Triumph Street Twin pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.
Power
Torque
Displacement
Wet weight
Seat height
Forget spec-sheet bragging. Here's who the Street Twin is actually built for.
This is your bike. Classic looks, an easy low seat, and a relaxed engine suit small-town routes and quiet-rhythm miles. Just plan fuel stops around that 3.2-gal tank.
Made for Acadia National Park · Austin / Handbuilt Motorcycle Show · Blue Ridge Parkway
Partial fit. You'll love the style and the community draw, but this is a light parallel twin, not a big-inch V-twin. If rally sound and presence top your list, look higher up the range.
Made for A1A — Florida Atlantic Coast · Black Hills / Sturgis Rally Hub · Daytona Main Street / Bike Week
Good weekend company. It works the Hill Country twisties with easy, confidence-building manners and looks the part at every BBQ stop. Expect fun at a friendly pace, not sport-bike urgency.
Made for Austin / Texas Hill Country · Twisted Sisters · Austin / Handbuilt Motorcycle Show