Ultimate Shimano Altus Bike Shifter Bundle | 7 & 3-Speed Trigger Rapidfire Plus Gear Shifters for Mountain & Hybrid Bikes Upgrade your bikes shifting performance with this premium Shimano Altus SL-M315 7-Speed Right and 3-Speed Left Trigger Rapidfire Plus Shifter Bundle. Designed for seamless, precise gear changes, these lightweight, ergonomically engineered shifters feature advanced Shimano OPTISLICK cable technology for unmatched corrosion resistance and ultra-smooth operation, ensuring durability and reliable performance ride after ride. Engineered with innovative RAPIDFIRE PLUS technology, these shifters allow quick and effortless gear transitionsdownshift three gears in a single strokeperfect for aggressive shifting during mountain ascents or urban commuting. The slim, sleek main lever body offers a comfortable grip, complemented by easy-to-read gear displays positioned below the handlebar for quick gear recognition at a glance. The 2WAY-RELEASE mechanism provides flexible shifting control, enabling shifts to be released by either pulling the index finger or pushing the thumb for intuitive operation. These versatile trigger shifters are compatible with Shimano Mountain drivetrains, supporting both triple and double chainring setups, making them ideal for mountain, hybrid, or adventure bikes. With a clean, minimalist design and internal cable routing compatibility, these components are perfect for both performance-oriented riders and everyday cyclists seeking durable, high-performance shifting solutions. Elevate your bikes gear shifting efficiency with this durable, technologically advanced Shimano Altus shifter bundlecrafted for smooth operation, long-lasting reliability, and an exceptional riding experience. Ideal for riders who demand precise, quick shifting in all conditions.