SunRace M403 Trigger Shifter — 7/8-Speed, Right-Hand
The SunRace M403 Trigger Shifter is a reliable right-hand gear control solution designed for 7- and 8-speed rear drivetrains on mountain, hybrid, and recreational bicycles. Featuring an intuitive thumb-and-finger lever layout, it delivers positive, indexed shifting that makes gear changes smooth and predictable on daily rides, fitness loops, or trail outings.
Engineered for compatibility with SunRace and Shimano-style indexed systems, the M403 installs easily on flat handlebars and offers durable performance for everyday use or component replacements. Its ergonomic design ensures comfortable operation while maintaining value and simplicity for budget builds and repairs.
Key Features
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Right-hand trigger shifter for 7- and 8-speed rear derailleurs
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Indexed shifting for precise gear changes
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Ergonomic thumb and finger levers for intuitive control
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Compatible with SunRace and Shimano indexing standards
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Durable construction for everyday riding
A practical and cost-effective shifter that delivers dependable performance and reliable gear selection for multi-speed bicycles.
