Description
🛠️ The Triumph Genuine part A9778550 is a Quickshifter Kit (TSA) — a race-inspired upgrade designed to deliver clutchless gear changes for enhanced performance and rider engagement.
🔍 Key Features
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Functionality: Enables clutchless upshifts and downshifts at full or partial throttle
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Technology: Adaptive interrupt timing based on RPM for smoother transitions
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Installation: Full plug-and-play — no modifications to the wiring harness required
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Design: Engineered by Triumph for seamless integration and factory-level reliability
🧩 Compatibility
This kit is specifically designed for:
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Triumph Speed Triple 1050 S / RS (model years 2018–2021)
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Only fits bikes from VIN 975443 onward
📌 Dealer activation may be required using Triumph diagnostic tools to enable the shift assist functionality.