7075AL oval rings intended for use during training sessions where weight is not a factorCompatible with Shimano Dura-Ace 7900, 7950, Ultegra 6750, Shimano 105- 5700, Tiagra 4650, FSA, Rotor 3D & 3D+, S-works and many more cranksAlso fits Sram Force and Red but NOT compatible with Sram cranks that have 1 hidden chainring bolt (Force22, Red22)Same great quality as AB`s other rings with less machining and detail which passes the saving on to the end userAllows use of an oval small ring with a round large ring, or 2 oval ringsReduces stress on knees and helps to maintain your legs fresher for longer110mm 5-bolt34T7075ALGreyStandardUPC/EAN/GTIN: 5110846001682