The 3-Speed Duke – 4130 Chromoly Internal 3-Speed City Bike
$600.00
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Sleek, low-maintenance, and effortlessly stylish, The 3-Speed Duke pairs a classic monochromatic design with modern internal gearing. Built on a double-butted 4130 chromoly frame, this urban city bike offers a smooth, reliable ride engineered to glide through city streets.
Key Highlights
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Shimano Nexus 3-Speed Internal Hub: Clean, low-maintenance shifting with gears fully sealed inside the rear hub, protecting them from dirt, weather, and wear.
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4130 Double-Butted Chromoly Frame: Premium steel construction absorbs road chatter for a comfortable ride while providing lightweight agility and long-term frame durability.
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Classic Urban Aesthetic: Features a vintage-style quill stem, 40mm deep-dish aluminum rims, and a brown synthetic leather saddle for a sleek, timeless finish.
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Smooth & Responsive Drive: Equipped with a 46T forged alloy crankset and 700×28C tires for easy pedaling efficiency across paved roads.
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Dependable Stopping Power: Fitted with dual-pivot alloy caliper brakes for precise, controlled stopping power in city traffic.
Technical Specifications
| Component | Specification |
| Frame | 4130 Double-Butted Chromoly Steel |
| Fork | 4130 Chromoly Steel |
| Rear Hub / Drivetrain | Shimano Nexus 3-Speed Internal Gear Hub (22T Cog) |
| Crankset | Forged Alloy 6061 (46T, 165mm) |
| Bottom Bracket | BSA Sealed (68W × 107L) |
| Headset | NECO Threaded 1″ Sealed Aluminum |
| Handlebars & Stem | ProMax Alloy Riser Bars (56cm, 20mm Rise) with 90mm Quill Stem |
| Seatpost & Saddle | ProMax Alloy Seatpost (25.4mm) with REGAL Brown Synthetic Leather Saddle |
| Rims & Tires | 40mm Deep-Dish Aluminum (700C × 32H) with 700×28C Tires |
| Brakes | Radius or Tektro Dual-Pivot Caliper |
| Chain | KMC Z410 |
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