S3M Timing Belt 123mm, 41T, 4mm width

S3M pulleys and belts are the best way to transmit power from your motor to drive wheels or a spinning weapon.  Timing belts give better pulley grip than o-rings, which will slip.  We offer an extensive range of sizes and widths to provide options beyond common sizes/widths.  This gives extra freedom when designing a bot.     Our belts are compatible with Fingertech S3M pulleys as well as other 3mm pitch pulleys.   •S3M pitch (3mm high-torque) •Width: 4mm, 6mm & 8mm •Circumferences: 102mm (40T) - 408mm (136T) •Belts are sold individually. Try our Belt and Pulley Calculator!  Calculate your results for belt size, center to center distance or even pully sizes.  It supports manual entry of pulley sizes if using sizes we don't stock.  Available Sizes and Widths S3M, 102mm-408mm, 4mm width S3M, 195mm-213mm, 6mm width S3M, 195mm-213mm, 8mm width XL , XL70-XL120, 1/4" width V Belt, MB200-MB280, 6mm width