*graphics on the frame might be slightly different than on the frame
Unknown Bicycles Singularity Frame is made of high-grade, hardened Aluminum 6066 T6. The fork is our Carbon (12K) with 1 1/8” aluminum neck and features a 30mm rake.
The headset is an integrated SB, 45×45. The fixed gear bike frame uses a 90mm stem and Unknown Compact 420mm handlebars. Included brake levers are ZST single speed with our Unknown brake set.
The chain arm is 165mm and 130 BCD. The chain wheel is our Unknown 48 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 while the tires are 23c.
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.
Specifications: