Tamiya SP-1642 37T Front Direct Pulley for TRF420 F - Maintenance Friendly Spare  [51642]

37T direct pulley - a tidy upgrade for TRF420

The Tamiya TRF420 F Direct Pulley (37T) is built to be a straightforward replacement or upgrade for TRF420 and TA07 chassis. It aims to improve driveline efficiency while staying easy to work on.

One-piece plastic construction saves weight

This direct pulley adopts an integrated plastic design, shaving about 2g compared with older multi-component units. The result is a simpler part that reduces unnecessary mass in the front end.

Fast servicing with screw-fitted cups

Screw-attached direct cups replace the older pin method, enabling quick cup changes without dismantling the entire pulley. That makes routine maintenance faster between track runs.

Compatibility notes

Designed for TRF420 and TA07 chassis, the pulley offers a reliable match for those Tamiya platforms. Use it when replacing worn parts or streamlining an existing build.