Shimano Tiagra ST-R4020 11-speed STI with BR-RS405 Calliper, Left Shift Rear Brake

From £259.99

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Halfords
£259.99

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Price last checked: 25/04/2026

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Shimano Tiagra ST-R4020 11-speed STI with BR-RS405 Calliper, Left Shift Rear Brake

Shimano Tiagra ST-R4020 2x11-speed STI shifter and hydraulic disc brake kit for road bikes, delivering precise shifting, powerful braking, and ergonomic control for performance road cycling.

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About: Shimano

Shimano is a leading brand in the cycling industry, renowned for its high-quality components and innovative technology. The company offers a range of cycling products, including drivetrains, brakes, wheels, pedals, and shoes. Shimano's drivetrain components, such as its derailleurs and shifters, are widely regarded as some of the best on the market, providing smooth and reliable shifting for cyclists of all levels. The company's disc brakes are also highly regarded, providing excellent stopping power and modulation. With a commitment to innovation and a focus on the needs of cyclists, Shimano continues to be a go-to choice for cyclists looking for top-of-the-line components for their bikes.

About: Halfords

Halfords is a well-established and widely recognized retailer in the cycling industry, offering a diverse range of bicycles, accessories, and cycling gear. With a strong physical presence through its numerous stores and a robust online platform, Halfords caters to cyclists of all levels and ages. The store provides an extensive selection of bikes, including mountain bikes, road bikes, hybrids, and electric bikes, along with a comprehensive range of accessories and bike maintenance products. Known for its accessibility and customer-friendly approach, Halfords is a go-to destination for individuals looking to purchase or maintain their bikes. The company also offers bike servicing and repair services, contributing to its reputation as a one-stop-shop for all cycling needs in the United Kingdom.