Trinity Duo brushless motor heatsinks
Trinity have released these new hard anodized aluminum heatsink for the most popular brushless motors. Installed in minutes the heatsink replaces the can center for more cooling surface and better heat transfer which improves performance by reducing motor heat. This system, which is more efficient than clip on heatsinks, wont fall off in the event of a crash and is available in 2 sizes, one ROAR/IFMAR size (right) for on road and off-road racing and one Monster truck size (left) which offers higher cooling for monster trucks and any non-sanctioned racing both on and off-road.
Source: RCCA [rccaraction.com]