JT Sprockets is the world's leading manufacturer of aftermarket sprockets, constantly raising the industry's standards for quality and service. JT Sprockets are the only sprocket manufacturer using the ultra-durable high carbon C49 steel for rear sprockets.
Same-day shipping cutoff: Noon Pacific Time
We are now accepting submissions for this year’s Calendar Photo Contest! Please upload your images here by 9am Pacific on September 16, 2025.