Kettler racer 1 indoor cycle the kettler racer 1 indoor cycle comes with an 18kg 397lbs flywheel for smooth and quiet operation and offers adjustable break resistance the console provides continuous display of 5 workout statistics and features a scan mode as well as a sweat resistant keypad heart rate with the racer 1 can be measured with the hand sensors or an included ear clip the machine has a racing seat that can be adjusted both horizontally and vertically and is supplied with