Description

SHIMANO BR-R451 Rear Rim Brake Caliper | Reliable Stopping Power for Road Cycling
Upgrade your ride with the exceptional control and reliability of the SHIMANO BR-R451 Rear Rim Brake Caliper, a premier choice in the world of high-performance bike parts and brakes. Designed for cyclists who demand consistent and powerful braking, this caliper brings SHIMANO´s legendary engineering to a versatile and accessible package, making it ideal for a wide range of Road Cycling applications, from commuting and training to long-distance touring.
SHIMANO – NEW SUPER SLR – Dual-Pivot Brake Caliper – Rim Brake – 32 mm max tire size. The SHIMANO R451 caliper brake has a 57mm reach which offers increased tire clearance up to 32mm.
At the heart of its performance is the innovative SHIMANO NEW SUPER SLR (SHIMANO Linear Response) system. This technology masterfully reduces friction within the caliper, lever, and cable, resulting in a braking experience that is both incredibly light to the touch and remarkably responsive. You´ll feel a direct connection to your braking power, allowing for precise modulation and confident stops in any condition. The Dual-Pivot design functions with a precise, tweezer-like action, applying even pressure to both sides of the rim for balanced, predictable, and efficient braking performance that inspires confidence on fast descents and in busy urban environments.
One of the standout advantages of the BR-R451 is its generous 57mm reach. This long-arm design makes it a versatile powerhouse, perfectly suited for classic road bikes, modern all-road frames, or touring setups that require more clearance. This extended reach opens up a world of possibilities, most notably the ability to accommodate wider tires up to 32mm (32C). Enjoy a smoother, more comfortable ride on varied surfaces and even light gravel without sacrificing the crisp performance of a high-quality Rim Brake.
Maintenance and setup are simplified thanks to user-friendly features like adjustable toe-in brake shoes, which allow you to easily eliminate brake squeal and optimize pad contact for maximum efficiency and longevity. Furthermore, the wider-opening quick-release lever makes wheel changes swift and hassle-free, a crucial feature for roadside repairs or pre-race swaps. Whether you are building a new bike or upgrading an older frame, the SHIMANO BR-R451 Rear Rim Brake Caliper delivers an unbeatable combination of power, control, and modern versatility.
Features:
* Providing light action & accurate brake power
* SHIMANO SUPER SLR system
* Adjustable toe-in brake shoes
* Quick release Wider Open
Technical Specifications:
* Remarks: Quick release lever wider open. Maximum tire size: 32 mm
* Type: SUPER SLR Dual Pivot
* Reach (mm): 57
* Brake shoe Standard: R50T2
* Compatibility: SUPER SLR
* Maximum tire size: 32C
* Rim width (mm): 19-26