Description

Signature Frame

SC-1 is the newest bike in Unknown bicycle range. They are made from 4130 cromo steel and they are built to last. This bike is perfect for daily commuting and long rides with friends. Available in 6 colors: black, white, gray, green, yellow and red.

Bicycle Components

Unknown Bicycles SC-1 Frame is made of 4130 cromo steel. The fork Unknown steel fork with 1 1/8” neck and features a 30mm rake. The headset is an integrated SB, 45x45. The fixed gear bike frame uses a 60mm stem and Unknown raiser handlebars. This bike includes front and rear brake set. The chain arm is 165mm and 130 BCD. The chain wheel is our Unknown 46 tooth, 130 BCD, at 0.5 x 1.125”. The rear cog has 17 teeth. The seat post and saddle are made by us at Unknown. The seat post measures 27.2mm x 300 mm with a 22mm offset. Included rims are Unknown fixed gear 28d rims. The bottom bracket is 68x103mm, BSA with a Square tapper.

Weight

in size M is 9,4kg | without pedals and brakes

making this bike one of the lightest in class!

Shipping

SC-1 Fixed Gear Bicycle is shipped with front and rear brake set.

*Free pedals with foot straps worth €50! - INCLUDED*

*Free front and rear light worth €20! - INCLUDED*

Specifications

Frame: Unknown SC-1, 4130 cromo steel
Fork: Unknown steel fork, 30mm rake, 1 1/8"
Headset: integrated Unknown, SB, 45x45st., 1 1/8"
Stem: Unknown 60mm
Handlebars: Unknown raiser bars
Grip: Unknown
Brake levers: ZST single speed
Brakes: Unknown brake set
Chainarm: Unknown 165mm, 130BCD
Wheelchain: Unknown 46t, 130BCD, 1/2"x1/8"
Chain: KMC Z510 1/2"x1/8"
Rear cog: 17t
Rims: Unknown 28d
Hubs: Unknown Fix/Free 28d, SB
Tires: 23c
Seatpost: Unknown 27.2mm, 300mm, 20mm offset
Saddle: Unknown
Bottom bracket: 68x103mm, BSA, Square tapper

Size chart

53	155cm - 167cm
55	167cm - 178cm
59	178cm - 190cm
62	190cm - 200cm