JT Sprockets are made from the latest generation of computer design and control metal cutting equipment for maximum durability;JT rear sprockets are made from the finest C45 high carbon steel, 7075 aluminum, or new titanal alloy;Lightweight titanal sprockets combine the ultimate strength of titanium with aluminum 7075-T6 providing superior hardness and strength;Front sprockets are made from chromoly SCM420 steel alloy;All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards

• JT Sprockets Steel Front Sprocket - 13T
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JT Sprockets Steel Front Sprocket - 13TJT Sprockets