SPROCKET REAR 42T 520

Rear Sprocket

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Steel rear sprockets made with top-quality Japanese C49/C50 high carbon steel