Unknown SC-1 Gray | 4130 Chromoly fixie & Single Speed

Signature Urban rama — Gray Edition

The Unknown SC-1 Gray is a tough, niezawodny fixie built for everyday riding. The sleek gray finish strikes the perfect balance between subtle and stylish — a refined, modern look that blends into any urban environment. Built from 4130 chromoly stal, the SC-1 is designed to handle years of daily commuting without breaking a sweat. At 9.4kg in rozmiar M, it is one of the lightest stal fixies in its class.

Built to Last

Chromoly stal is the rider's choice for frames that need to be both strong and comfortable — its natural flex absorbs road vibration, giving you a smoother ride than aluminium over uneven miasto streets. The stal widelec delivers steady, niezawodny handling that inspires confidence in traffic. The sealed-bearing Mushroom piasty zestaw kół with Japanese bearings ensures silky smooth rolling on every ride.

Ride Fixed or Single Speed

The SC-1 comes with a flip flop piasty, giving you the choice to ride fixed gear or flip the rear koło for single speed. Ideal whether you are a beginner wanting the safety of coasting, or a seasoned rider who enjoys switching between setups. The 46t/17t gearing is well suited for flat urban riding.

What's Included

Shipped with front and rear brakes, and free pedals with foot straps worth €50 included. Plus free front and rear lights worth €20 included. Ready to ride straight out of the box.

waga: 9.4 kg in rozmiar M (without pedals and brakes)

*Graphics on the rama may differ slightly from photos.

specyfikacje

• rama: Unknown SC-1, 4130 chromoly stal
• widelec: Unknown stal widelec, 30mm rake, 1 1/8"
• zestaw górny: Integrated Unknown, SB, 45x45st., 1 1/8"
• Stem: Unknown 60mm
• Handlebars: Unknown riser bars
• Grip: Unknown
• hamulec levers: ZST single speed
• Brakes: Unknown front and rear hamulec set
• Chainarm: Unknown 165mm, 130BCD
• Chainwheel: Unknown 46t, 130BCD, 1/2"x1/8"
• łańcuch: KMC Z510 1/2"x1/8"
• Rear zębatka: 17t
• Rims: Unknown 28d
• Hubs: Unknown Fix/Free flip flop 28d, SB
• Tires: 23c
• sztych siodłowy: Unknown 27.2mm, 300mm, 20mm offset
• siodło: Unknown
• Bottom bracket: 68x103mm, BSA, Square taper

Best Use Cases

✅ Daily urban commuting
✅ Fixed-gear / Single-speed riding
✅ First fixie for beginners
✅ Long rides with friends

rozmiar Chart

rama rozmiar	Rider Height
53	155cm – 167cm
55	167cm – 178cm
59	178cm – 190cm
62	190cm – 200cm

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