Hello. Buy the above Octane one Diezel dirt bike on 26" wheels. One size frame.Classic dirt bike with cromo frame. Simple, minimalist design and unique ride feel on a steel frame. This bike is all you need to ride like a pro on your favorite trails and parks. RST dirt fork with 100 mm travel, rear disc brake, Salt BMX cranksets, frame: 4130 cromoly / Hi-Ten tubes. The complete part list can be found on the website. Original black saddle plus new NS saddle.