The S.I.R. Pegs are made of 4140 chromoly that is first forged and then CNC machined and finally heat-treated to increase strength, durability and performance. Built to last without being over weight. 37mm x 115mm and available for 10mm and 14mm axles. Please note: The Merritt S.I.R. Peg is sold individually. ###section### Product Specs LENGTH: 4.5" (114mm) DIAMETER: 37mm MATERIAL: Metal peg AXLE SIZE: 14mm with 3/8" adaptor PACK SIZE: 1 (Single) WEIGHT: 218.3g (7.7oz)