Haynes
Haynes motorcycle modifying book - the definitive guide
Haynes motorcycle modifying book - the definitive guide
Impossible de charger la disponibilité du service de retrait
Practical advice; accompanied by photographic step-by-step procedures; on the fitting of bolt-on aftermarket parts and accessories to typical superbikes. Areas covered include exhaust systems and end cans; screens; undertrays and bodypanels; rear sets and clip-ons; steering dampers; upgrades to shocks and brake parts; engine mods and power improvers; instrumentation and lighting add-ons.
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.