Designed for Single Speed or 1x9, 1x10 and 1x11 setups for 104 BCD cranksets. The Q-ring advantage

The Q-Rings prolong the powerstroke and smoothly accelerate the cycle through the deadspot of the revolution. Subsequently the chainring diameter expands and shrinks in conjunction with the power dynamics of the pedal stroke therefore taking full advantage of the powerstroke (unlike traditional round chainrings). For example: The '53T' Q-Ring, is equivalent to a 51T around the upper dead spot, but as the pedal goes down and more strength is applied, the '53T' Q-Ring becomes a 56t! Studies have found that the Q-Rings provide a 3% increase in max wattage, a lower heart rate of 3-4 bpm, and ultimately a 9% decrease in Lactic Acid concentration. Additionally the Q-Rings provide a noticeable decrease in patella (knee) joint pressure for those cyclists with recurring knee injuries

No need for chain tensioner.

• bcd: 104
• color: black
• size: 34t