Description

Improve shifting performance with the Triumph Quick Shift Assist Kit, manufacturer part number A9770427.

Designed for compatible Triumph Trident 660 and Daytona 660 motorcycles, this performance accessory allows the rider to make up and down gear changes without using the clutch during normal quick-shift operation.

The system features an adaptive interrupt duration based on engine RPM, helping provide smooth, responsive gear changes across different riding conditions.

With its plug-and-play design, the Triumph Quick Shift Assist Kit is an excellent upgrade for both everyday street riders and performance-focused riders looking for faster, smoother shifting.

Important Daytona 660 Note: Installation on the Daytona 660 requires the separate Daytona 660 Quick Shift Fitting Kit, part number A9770435.

Product Information

• Brand: Triumph

• Product: Quick Shift Assist Kit

• Manufacturer Part Number: A9770427

• Type: Performance / Quickshifter

• Function: Clutchless Up & Down Shifting

• Shift Direction: Up & Down

• Interrupt Control: Adaptive Based on RPM

• Installation: Plug & Play

• Application: Street / Performance Riding

• Fitment: Select Triumph Trident 660 & Daytona 660 Models

Clutchless Up & Down Shifting

The Triumph Quick Shift Assist system allows compatible motorcycles to perform both:

• Clutchless upshifts

• Clutchless downshifts

This helps provide faster and smoother gear changes without requiring normal clutch operation during supported shifts.

Adaptive RPM-Based Operation

The system uses an adaptive interrupt duration based on engine RPM.

This allows the quickshifter to adjust its operation depending on engine speed for smoother and more consistent shifting.

Benefits include:

• Faster gear changes

• Reduced shift interruption

• Smoother operation

• Performance-oriented riding feel

• Improved everyday convenience

Plug & Play Fitment

The kit is designed for straightforward integration with compatible Triumph motorcycles.

• Plug-and-play electrical design

• Purpose-built Triumph accessory

• Designed for compatible factory systems

• Cleaner installation than universal aftermarket systems

Professional installation is recommended where appropriate.

Street & Performance Use

The Quick Shift Assist Kit is suitable for:

• Everyday street riding

• Spirited riding

• Sport riding

• Track use

• Riders looking for quicker shifts

• Riders wanting reduced clutch use during gear changes

Fitment

Triumph Trident 660

Fits:

• Triumph Trident 660

• VIN range: AG0881 – BU6463

Please verify the last six characters of your motorcycle VIN before purchasing.

Triumph Daytona 660

Fits:

• Triumph Daytona 660

Important Daytona 660 Installation Requirement

For the Daytona 660, installation requires the separate:

Daytona 660 Quick Shift Fitting Kit – A9770435

The fitting kit is required for installation and is not included unless specifically pictured or stated otherwise.

Triumph VIN Fitment Information

Triumph accessory fitment may be identified using the last six characters of the VIN.

Triumph notes:

• Letters are classified higher than numbers

• “-” denotes VINs lower than the specified point

• “+” denotes VINs higher than the specified point

Always verify your exact motorcycle model and VIN before ordering.

Do not purchase based solely on appearance.

Performance Benefits

The Quick Shift Assist Kit provides:

• Clutchless upshifting

• Clutchless downshifting

• Faster gear changes

• Smooth shifting feel

• RPM-adaptive shift interruption

• Reduced need for clutch operation

• Factory-integrated Triumph performance

Additional Features

• Genuine Triumph performance accessory

• Quick Shift Assist system

• Up and down gear changes

• Adaptive RPM-based interrupt duration

• Plug-and-play design

• Suitable for street or performance use

• Fits select Trident 660 models

• Fits Daytona 660

• Daytona 660 requires fitting kit A9770435

• Main kit part number A9770427

Compatibility & Identification

• Brand: Triumph

• Product: Quick Shift Assist Kit

• Main Part Number: A9770427

• Type: Quickshifter / Performance Accessory

• Compatible Model: Trident 660

• Compatible Model: Daytona 660

• Daytona Required Fitting Kit: A9770435

Please verify your motorcycle model, VIN, and required installation components before ordering.

What's Included

• 1 x Triumph Quick Shift Assist Kit

• Main Part Number: A9770427

Daytona 660 fitting kit A9770435 is NOT included unless specifically pictured or stated otherwise.

Motorcycle, installation tools, and any additional accessories are NOT included unless specifically pictured or stated otherwise.

Only the items specifically pictured or stated in this listing are included.