Rotor, Alternator, Low Inertia
T1300109 · Genuine Triumph
Triumph has stock
Listed for these motorcycles
Thruxton 1200
2016–2017
Thruxton 900
2007–2015
Street Cup
2017–2018
Bobber TFC
2020–2025
Speed Twin 900
2021–2025
Street Twin
2016–2022
Speed Twin 1200
2019–2027
Speed Twin 1200 RS
2025
Speedmaster 1200
2020–2026
Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026
Street Scrambler & Scrambler 900
2017–2026
Bobber
2017–2026
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
Alternator & Starter Motor
Thruxton · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Thruxton · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Cup · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville Bobber TFC · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Twin & Speed Twin 900 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Twin & Speed Twin 900 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Twin & Speed Twin 900 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Twin & Speed Twin 900 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Speed Twin 1200 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville Speedmaster · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville Speedmaster · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Scrambler & Scrambler 900 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Scrambler & Scrambler 900 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Scrambler & Scrambler 900 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Street Scrambler & Scrambler 900 · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville Bobber · Electrical System · callout 1
View diagram →
Alternator & Starter Motor
Bonneville Bobber · Electrical System · callout 1
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