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Derbi 50 BOULEVARD 2009 Parts & Accessories

Founded in 1922 by Simeón Rabasa i Singla in Mollet del Vallès, Spain, Derbi began as a small bicycle repair shop before expanding into motorcycle manufacturing. The brand name is an acronym derived from the phrase Derivado de Bicicleta ("derived from bicycle"). Derbi built a formidable global racing legacy throughout the mid-to-late 20th century, earning the nickname "Red Bullets" after securing 21 Grand Prix World Championships across the 50cc, 80cc, and 125cc classes with legendary riders like Ángel Nieto and Jorge Martínez Aspar. Acquired by the Piaggio Group in 2001, Derbi specialized in lightweight, high-performance two-stroke and four-stroke small-displacement motorcycles, supermotos, and sportbikes aimed at young urban and off-road enthusiasts.

Derbi utilized specific model designations to categorize its lightweight street and off-road ranges:

• Senda: Flagship supermoto and enduro series ("R" for off-road/enduro, "SM" for supermoto street)
• GPR: Grand Prix Replica — Full-faired sportbikes and naked streetfighters ("Nude")
• Mulhacén: Scrambler and roadster series named after the highest peak in mainland Spain
• DRD: "Derbi Racing Development" — Premium, high-spec variants featuring upgraded brakes and suspension
• Terra: Lightweight adventure-touring and dual-sport platforms

• Senda 50 R / SM (1994–2020): Iconic 50 cc two-stroke dual-sport and supermoto platform, featuring steel or aluminum perimeter frames, 6-speed gearboxes, and class-leading agility for young riders.
• Senda DRD / DRD Pro / X-Treme 50 & 125: Upgraded performance iterations equipped with USD forks, wave brake discs, aluminum swingarms, and high-mounted sport exhausts.
• Senda Baja 125 4T (2006–2012): Four-stroke 125 cc trail and supermoto variant built for low maintenance and reliable commuter performance.

• GPR 50 (1997–2015): Race-replica 50 cc sportbike featuring aggressive clip-on handlebars, full fairings, twin-spar chassis, and high-revving two-stroke engines.
• GPR 125 2T / 4T (2004–2017): High-performance 125 cc sportbike (initially powered by a two-stroke Yamaha engine, later updated to a liquid-cooled 4-stroke 4-valve DOHC engine) featuring radial front brakes and inverted front forks.
• GPR Nude 50 / 125: Stripped-back streetfighter variants removing the front fairings for an aggressive, exposed chassis look.

• Mulhacén 659 (2006–2011): Derbi's flagship open-class motorcycle, a neo-scrambler featuring a 660 cc liquid-cooled single-cylinder engine (from Yamaha), high side-pipe exhaust, spoked wheels, and minimalist styling.
• Mulhacén 125 / Cafe 125 (2007–2012): Scaled-down 125 cc scrambler and street-cafe variants utilizing liquid-cooled 4-valve engines and modern street ergonomics.

• Terra 125 / Terra Adventure 125 (2007–2017): Lightweight adventure-touring bike equipped with a liquid-cooled 15 HP 125 cc engine, long-travel suspension, windshield, high front fender, and optional aluminum luggage boxes.
• Cross City 125: Urban crossover commuter featuring a low seat height, wide handlebars, and dual-purpose tires.

• Derbi SRS & 250 (1949–1950s): Foundational early models starting with the 48 cc SRS moped and moving into the 250 cc twin-cylinder tourers.
• Antorcha 49 & Gran Sport (1960s–1970s): High-volume 50 cc street mopeds and lightweight sports machines that established Derbi's dominance in Spanish domestic transport.
• Variant & Coppa Series (1980s–1990s): Popular 50 cc and 80 cc commuter, moped, and lightweight street platforms.