What is the Q-Factor on the Diamondback Fitness 1260sc? Dan May 15, 2023 17:18 Updated Follow The 1260sc has a Q-Factor of 187mm and a Crank Arm Length of 173mm. Check out all the specifications on the Diamondback 1260sc by clicking here! Related articles Is There a Way to Calibrate the Diamondback Fitness 1260sc Console? Does the Diamondback Fitness 1260sc Connect to the Peloton App? The Seat on My Diamondback Fitness 1260sc Slowly Lowers, How do I Fix it? Where is the nearest Diamondback Fitness retail location or dealer (USA)? Where can I download a product manual? Comments 0 comments Article is closed for comments.