Hub & Gear, 51T
T1221110 · Genuine Triumph
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
Listed for these motorcycles
Tiger 1050 & Tiger Sport 1050
2001–2021
Sprint
1996–2011
Daytona 955i / T595
1998–2006
Speed Triple 955i & 1050
Choose your year
Listed in Triumph’s parts catalogue for these motorcycles. Fitment is Triumph’s data, not a guarantee from us — add your motorcycle above and we check it against your frame number where Triumph splits the part.
Where it sits on the bike
Starter Drive Gears > Eng No 506681
Tiger · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Starter Drive Gears
Tiger · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Alternator/ Starter Drive Gears
Tiger · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Starter Drive Gears > Eng No 491323
Sprint · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Alternator/Starter Drive Gears
Sprint · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Alternator/Starter Drive Gears
Sprint · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Starter Drive Gears > Eng No 491323
Sprint · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Alternator/ Starter Drive Gears
Daytona · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Alternator/Starter Drive Gears
Speed Triple · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Starter Drive Gears
Speed Triple · Clutch & Transmission incl. Gearchange Mechanism · callout 9
View diagram →
Prices and availability are a dated snapshot, not a reservation — Triumph supply is read from Triumph’s catalogue and our shelf count is read from our own system. Both move. Triumph supply checked Aug 5, 2026 · Brea shelf Aug 18, 2026. Shipping and tax are calculated at checkout.
Genuine Triumph parts from Southern California Motorcycles, 515 W Lambert Rd, Brea, CA 92821 · 714-256-6700