The Odyssey MPEGs are made from heat treated 4140 chromoly to help keep the cost down. They feature a smaller overall length and diameter to help save weight and come with anti roll pins and axle converters so they will fit both 10mm and 14mm axles. Sold as pairs. Please note: The Odyssey MPEGs Pegs are sold as a pair. ###section### Product Specs LENGTH: 4" (101mm) DIAMETER: 34mm MATERIAL: Metal AXLE SIZE: 14mm with 3/8" adaptor PACK SIZE: 2 (Pair) WEIGHT: 246g (8.7oz)