Pure Fix Original Fixed Gear Bike Frame Set Matching frame and fork set, constructed with ultra-durable TIG-welded hi-tensile steel is perfect for your classic-looking custom built fixed bike Fork is standard 1-1/8 inch with holes for attaching a front and rear brake (not included) Designed for 1-1/8 inch thread less headset and 25.4mm seat post (both not included) Frame designed for a 68 by 110.5mm bottom bracket (not included) Available in 3 sizes: 50cm/small, 54cm/medium and 58cm/large; frameset weighs approximately 8 pounds