Triumph Bonneville T120 Black (DU01A) — Retro Classic
NastyNils / Triumph Press

2019–2020 · Retro Classic · Buyer's Guide

Bonneville T120 Black (DU01A)

Dark Style, Zero Compromise

The Machine's Character

The Bonneville T120 Black takes the 1200 cc High Torque parallel twin and wraps it in the darkest read of the classic Bonneville silhouette. Blacked-out engine covers, rims, and exhaust drop the chrome and leave you with shape and stance. Peak is 79 hp, but the figure that defines this bike is 77 lb-ft, and it arrives at just 3,100 rpm. Liquid cooling stays discreet behind styling that looks air-cooled at a glance. This is a top-shelf retro built to be felt first and studied second, and it holds up under all three.

On the road it rides the way it looks: relaxed, planted, easy to trust. The 31.1 in seat and wide bars set a natural, upright position, and the low-rpm torque means you rarely reach for the gearbox around town. At 538 lb wet it carries real mass, so tight, slow maneuvering asks for attention, and the front fork gives you nothing to adjust. It suits the rider who wants genuine heritage character with modern reliability underneath, not the one chasing razor-sharp back-road handling. Buy it for the feeling, because the feeling delivers.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Power 79 hp (59 kW) @ 6,550 rpm
Torque 77 lb-ft (105 Nm) @ 3,100 rpm
Displacement 1200 cc
Engine Parallel twin
Cooling Liquid-cooled
Gearbox 6-speed
Final drive Chain
Front brake 310 mm
Front tire 100/90-18
Rear tire 150/70R17
Wheelbase 57.1 in (1450 mm)
Seat height 31.1 in (790 mm)
Wet weight 538 lb (244 kg)
Fuel capacity 3.8 gal (14.5 L)

Equipment check

Chassis

  • Rear Suspension Adjustable Standard
  • Cruise Control Optional

Comfort

  • Heated Grips Standard

Connectivity

  • USB Charging Port Standard

Safety

  • ABS Standard
  • Traction Control Standard
  • Ride Modes Triumph Ride-by-Wire Throttle Maps (1st generation) Selectable ride modesRefined throttle response Standard

The Voice of Experience

Portrait of NastyNils

The test ride

Thumb the starter and the twin settles into a low, even beat you feel through the pegs and tank more than you hear. Pull away and the pulse smooths out, leaving just enough texture to remind you there's a big-inch twin under the paint. The riding position is honest and open, bars falling to your hands without a stretch, feet set for long stretches of road. At a steady highway clip it sits calm and stable, mirrors clear, seat generous enough for real distance. Sound is a big part of the appeal, a deep offbeat rumble that carries without ever turning harsh. Only in slow, tight turns does the weight make itself known, asking for a firm hand at walking pace. It's the kind of bike that makes ordinary roads feel like an occasion, and it never nags you for the privilege.

An elevated view of a deep autumn canyon, likely Big Cottonwood Canyon, Utah. Steep rocky cliff faces and forested mountain ridges frame a narrow valley where a winding two-lane road passes below. Deciduous trees display full autumn color — gold, orange, and amber — interspersed with green conifers on the steep slopes. A single dark vehicle is visible far below on the road. Snow-dusted mountain peaks rise in the background under a partly cloudy sky.
Alex Moliski / Pexels

The Truth on the Street

Known issues

  • Clutch cable chafing on wiring harness (recall)

    electricscommonRecall

    The clutch cable can rub against the main wiring harness, potentially causing electrical failure including loss of lights or engine cut-out. A recall (SRAN 560) was issued to install a revised headstock tidy.

  • Gear selector mechanism sticking

    drivetrainoccasional

    Some owners report difficulty downshifting or a locked-up gear selector, often traced to a faulty selector ring. Triumph has released an updated selector assembly (part number T1191968) to resolve it.

The Expert Benchmark

Where this Triumph Bonneville T120 Black pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

Head-to-head: Triumph Bonneville T120 Black vs. its rivals

The 'Should I Buy It?' Score

Forget spec-sheet bragging. Here's who the Bonneville T120 Black is actually built for.

A scenic view of Angeles Crest Highway winding through rugged Southern California canyon terrain. Rocky mountainsides with golden earth tones frame the asphalt road with tight sweeping curves. Double yellow center line visible, sparse vegetation along the shoulders, clear blue sky with white clouds. Daylight, dry conditions. Iconic location for canyon-road enthusiasts.
Josh Sorenson / Pexels

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