Direct Mount Oval Chainring 32T- Non BoostOval direct mount chainring for the Lyne Pulse crankset. This chainring is also compatible with Sram Direct mount setups. This is a 6mm offset ring and is best paired with non boost (142mm or 135mm QR) spacing on the rear. Oval rings work by balancing out the natural inconsistency of the human pedal stroke. This means more efficient use of energy put it to the bike and less strain on certain muscle groups, particularly around the knees. The result is