For those seeking to ride indoors, Puma's Spin Bike is designed to keep up with high intensity exercises. It features an 8kg flywheel on the front of the bike, and a resistance knob that also doubles up as an emergency brake. 

Puma Spin Bike features:

• 8 KG Flywheel
• LCD Monitor displays Distance, Speed, Time and Calories
• Adjustable Bike Resistance
• Adjustable Handles Height
• Adjustable Seat Height
• Adjustable Seat Depth
• Anti-slip Pedals
• Maximum Weight 100 KG
• Self Setup

All key parts of this bike are adjustable from saddle to handle. The base of the machine also has wheels that you can put in place for when you need to move it across the room. It also has suspension and calibration, and is capable of taking on a maximum weight of 100kg.