Single speeds are simple, but by no means primitive. Riding a single speed is such a pure riding experience that it will make you a better rider...riding a Monolith will make you a happier one. It's a single speed of epic proportions, thanks to the same geometry as the Metal Guru; custom drawn triple butted Reynolds 853 steel tube set and craftsmanship that'll make you drool. Price includes eccentric bottom bracket. Custom drawn triple butted Reynolds 853 steel tube set Available with disc or rim brake mounts. Horizontal dropouts available (rim brakes only). Eccentric bottom bracket standard. All tubes sealed to keep out water, seat tube drain hole. 304 stainless steel bottle opener welded on frame. Also available in custom double butted 3/2.5 Titanium.