Shimano Q Factor
Mountain bike q factor is 170mm adding 40mm to a road bike at 146mm will likely help many cyclists achieve desired comfort and.
Shimano q factor. The q factor of a bicycle is the distance between the pedal attachment points on the crank arms when measured parallel to the bottom bracket axle. Shimano deore xt hollowtech ii mtb crankset 172 mm q factor 1x12 speed the shimano deore xt fc m8100 1 crank features an entirely new construction using direct mount chainrings special gear tooth profile for improved chain retention and a 172mm q factor. The q stands for quack a reference to the wide stance and waddling gait of ducks. The all new shimano ultegra r8000 series crank features lightweight crankarms a hollow outer chainring and a wider gear pitch for increased clearance on modern road frames.
The shimano xtr fc m9130 1 crank features an entirely new construction using direct mount chainrings special gear tooth profile for improved chain retention and a narrow 171 mm q factor. It s poorly understood can be difficult to change and is dependent on what type of frame crankset and. On offer are 165 170 and 175 mm crank arms. Q factor is one of those metrics on the bike that people aren t sure what to do with.
Slx hollowtech ii mtb crankset 178 mm q factor 1x12 speed the slx fc m7100 1 crank features an entirely new construction using direct mount chainrings special gear tooth profile for improved chain retention and a 178mm q factor. The fc m9130 1 uses a 56 5 mm chain line and can be converted between 1x and 2x with 30 32 and 34t chainrings available. Using the previous equation based on the q factor of a shimano crank adding a pedal extender to each side would add 40mm to the overall stance width for a total of 292mm or about 11 5 inches. It is available with 53 39 52 36 50 34 and 46 36t chainrings and 165 170 172 5 and 175mm crank arm lengths.
The term was coined by grant petersen during his time at bridgestone bicycles.