6520 Sensor RPM (long)/ 3x4mm BCS (2)/ 3×4 GS (1) TRX65206520 Sensor RPM (long)/ 3x4mm BCS (2)/ 3×4 GS (1) TRX6520The RPM sensor plugs directly into your TQi™ receiver to provide real-time speed and RPM data while you drive. Real-time telemetry requires a telemetry magnet, TQi radio with Traxxas Link™ Wireless Module, and the free Traxxas Link app for your mobile device.Replacement part for these models:Revo®Slash 4X4 UltimateT-Maxx®XO-1®Accessory part for these models:DCB M41 WidebodyNitro Rustler®Nitro SlashRustler® 4X4 VXLSlashSpartan®T-Maxx®Bandit® VXLBandit®Drag SlashFord® F-150 RaptorFord® Fiesta® ST RallyRustler® 4X4Rustler® VXLRustler®Slash 2WD Unassembled KitSlash 4X4 PlatinumSlash 4X4 VXLSlash 4X4Slash VXLSlashStampede® 4X4 Unassembled KitStampede® 4X4 VXLStampede® 4X4
