Triumph Bonneville T120 T120 Transmission
New, used, or aftermarket – from sellers across Europe.
Parts availability
Hard to find – this is exactly what hank is made for!
Estimated price range
Widely available Limited Hard to find
Last updated: 29.10.2026, 04:03
Transmission for your Triumph Bonneville T120?
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Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| Ersatzteile-triumph | Unknown | 1,119.96 € | 2026-10-29 |
| Ersatzteile-triumph | Unknown | 1,507.85 € | 2026-10-29 |
| eBay | New | 171.35 € | 2026-10-03 |
| eBay | New | 171.35 € | 2026-10-03 |
| Ersatzteile-triumph | Unknown | 159.48 € | 2026-09-01 |
| Louis | Unknown | 159.80 € | 2026-09-01 |
| eBay | Used | 357.50 € | 2026-09-01 |
| Ersatzteile-triumph | Unknown | 1,119.96 € | 2026-09-01 |
Indicative values only – current prices may vary.
Price comparison: Transmission
Current median for the Triumph Bonneville T120 T120: 264.42 €.
Median across all motorcycle models: around 300 €. This model is 10% below that and cheaper than 60% of the models compared.
Median across Triumph motorcycle models: around 250 €. This model is 5% above that and more expensive than 55% of the models compared.
Compares the medians of the most recent offers found for each model.
Find Triumph Bonneville T120 T120 parts online
hank's free AI report searches specialized shops for Triumph Bonneville T120 T120 parts, including Classic British Spares, Ricambi Triumph & Classic Bike Parts Cheshire.
About this part
The transmission on your Bonneville T120 T120 sends engine power to the drivetrain and keeps revs in their usable range. Crunching gears, gears jumping out or whining bearings signal wear that rarely pays to repair.
Frequently asked questions
What should I check when buying a transmission for the Triumph Bonneville T120?
The gearbox code on the type plate of your Bonneville T120 T120 decides fitment, because ratios and connections differ per engine variant. Confirm whether it is manual or automatic and whether add-on parts such as the selector shaft and sensors are included.
What does a transmission cost compared to a repair?
A tested used gearbox is usually far cheaper than a rebuild with new bearings and synchros. Ask for mileage, a test-run video and warranty, and budget for shaft seals, gear oil and possibly the clutch.
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