- Conjoined brake lever system designed for seamless operation, featuring 2m/6.6ft stainless steel brake cable for the rear and 1.65m/5.4ft for the front, integrating speed and shifter lever functions. - Offers 21-speed integration with a 3x7 setup, providing variable speed adjustments to suit various riding conditions. - Equipped with a visual gear display indicator, allowing riders to easily confirm their current gear for quick and accurate shifts. - Compatible with a range of brake systems, including internal pull, cantilever, roller, and mechanical disc brakes, making it versatile for different bike setups. Use Cases: - Ideal for commuters looking to easily navigate through city streets with controlled speeds and reliable braking. - Perfect for mountain bikers needing precision gear management and robust braking performance on varied terrain. - Great for recreational cyclists who value convenience and efficiency while enjoying long rides. Constructed from durable stainless steel, this brake system guarantees longevity and consistent performance. Elevate your biking experience with a system designed for reliability and ease of use, ensuring your ride is safe and enjoyable in all conditions.