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100mm - 150mm Slugs / Fork Extensions – Triumph Thruxton / Bonneville / Speedmaster

Material: 6061 T6 Billet Aluminium

Fitment: All Air Cooled Triumphs with 41mm legs

Take your Triumph to the next level—literally. These 100mm or 150mm fork extensions are designed to give your front end a taller, more aggressive stance while improving clearance for custom wheels or fenders. Machined from high-strength 6061 T6 aluminium, they offer an ideal combination of lightweight performance and durability.

Features:

Precision CNC-machined from aircraft-grade 6061 T6 aluminium
Adds 100mm (4 inches) or 150mm (6 inches) of fork height
Easy bolt-on installation—no modification required
Perfect for custom chopper or bobber build

Whether you’re chasing a more stretched-out front end or just need extra clearance, these fork extensions offer a clean and sa

Billion

Triumph 41mm fork extensions 100mm - 150mm slugs