Oyama Freedom 2.1 Mountain Bike 15 Inch Frame. 15 Frame: Rider height 155 – 172cm. In used working condition, scuffs n scratches as pictured. Upgraded tyres and fitted with dropper seat post, RSP Plummet Remote Dropper Seatpost. Oyama Freedom 2.1 Mountain Bike. The Oyama Freedom 2.1 is a lightweight alloy hardtail with 27.5 wheels. The alloy frame is designed specially for mountain bike style riding and with the help of the 70mm suspension this bike will cover the any terrain with ease. Fork: Oyama Zoom – 70mm. Wheels: Oyama DW – 27.5. Tyres: 27.5 x 2.2. Gear Levers: MicroShift – 3×7 Speed. Chainset: Oyama Triple – 22/30/40T. Cassette: Falcon – 14/28T. Brake Calipers: Tektro Radius Mechanical Disc. RSP Plummet Remote Dropper Seatpost. The Plummet seat post will change your riding style completely. You will be dropping your saddle on the fly and hitting technical sections faster than you ever have. 30.9mm/31.6mm x 441mm Dropper seat post. 125mm drop with infinate adjustability. Cable operated handlebar remote. Dual bolt inline saddle clamp. Simple cable replacement procedure. Lowering the saddle makes any bike easier to handle through technical sections. Weight: 720g including cable & remote.