"The Revolutionary KETTLER Golf P ECO exercise bike was a brand new to the range for 2009/2010 and is not only packed with features but also has a generator driven power system meaning no batteries or mains connection required, because power is provided by your pedal power. The state of the art computer on the Kettler Golf P has a heart rate light to indicate a safe level of exercising (via handlebar pulse sensor, but will work via chest strap available seperately). There are 10 programs to keep you motivated. The 15 stages of resistance are computer controlled. 9kg flywheel. Self-assembly. Maximum user weight: 150kg. The Golf P Exercise Bike has an extremely low access point making it ideal for those with mobility problems. Built dimensions: 110x53x135cm. Product weight: 40.2kg. German build quality. 3 year warranty (conditions apply). If you need further advice on this item, or simply wish to order by phone, call 0800 018 5294 - (this is a freephone number from a landline but some mobile networks may charge, so you may wish to use 0161 678 9836). Telephone hours: 8.30am to 5pm Mon-Friday, 10am-4pm Saturday."