Shimano BR-RS 305 Disc Brake Caliper | The Bike Affair
Shimano BR-RS 305 Disc Brake Caliper | The Bike Affair
Shimano BR-RS 305 Disc Brake Caliper | The Bike Affair

Shimano BR-RS305 Disc Brake Caliper


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Shimano BR-RS305 Disc Brake Caliper

Shimano RS305 Mechanical Disc Brake - Precise Control and Easy Maintenance

Introducing the Shimano RS305 Mechanical Disc Brake, the perfect blend of performance, control, and ease of use. Engineered to deliver exceptional braking power and reliability, this brake system is a must-have for cyclists seeking a seamless and confident riding experience.

Effortless Control and Setup: With the Shimano RS305, you'll enjoy effortless control over your bike's braking performance. Whether you're cruising through city streets or conquering challenging terrains, this mechanical disc brake ensures responsive stopping power at your fingertips. Its user-friendly design allows for quick and straightforward setup, saving you valuable time and eliminating any hassle during installation.

Flat Mount Interface for Sleek Integration: Embrace the future of disc brake technology with the Flat Mount interface by Shimano. Crafted for a seamless and clean integration, the Flat Mount system enhances your bike's aesthetics while providing outstanding performance. Say goodbye to clunky adapters and revel in the sleek look of your well-equipped ride.

Reliable Performance, Low Maintenance: Built to last, the Shimano RS305 is engineered with durability and low maintenance in mind. Say farewell to constant adjustments and complicated upkeep. Experience consistent and reliable braking power with minimal effort, leaving you more time to focus on what matters – enjoying your cycling adventures.


Features of Shimano BR-RS305 Disc Brake Caliper

Easy Control and Clean Appearance: Enjoy effortless control over your braking with the Shimano BR-RS305 Disc Brake Caliper. Designed for ordinary riders and professionals alike, it provides stable and reliable brake performance, ensuring a safe and enjoyable ride every time. Its clean appearance enhances the aesthetics of your bike, leaving you with a sleek and stylish setup.

Heat Management System - Ice Technology Pad with Fin: Conquer challenging terrains with ease, thanks to the Heat Management System incorporated into this caliper. The Ice Technology Pad with Fin ensures efficient heat dissipation, preventing brake fade and maintaining consistent performance during demanding rides.

Low Profile Disc Caliper: The Shimano BR-RS305 boasts a low profile disc caliper, optimizing aerodynamics and reducing drag. Say goodbye to unnecessary resistance, as this caliper streamlines your cycling experience, enabling you to reach new speeds effortlessly.

Shimano Flat Mount System - Easy Setup and Maintenance: Simplify your life with the Shimano Flat Mount System, making setup and maintenance a breeze. No more complex adjustments or wasted time – get your caliper installed quickly and hit the road with confidence.

Wide Pad Clearance and Easy Tool Access: Experience versatility like never before with wide pad clearance, accommodating various riding styles and preferences. Plus, enjoy easy tool access for quick adjustments, ensuring your brake caliper is always fine-tuned to perfection.

One Bracket, Two Rotor Options: The Shimano BR-RS305 offers flexibility to meet your needs. With one bracket, you can effortlessly switch between 140mm and 160mm rotors, allowing you to tailor your braking power to suit different terrains and riding conditions.

Shimano Easy Flip-Flop Bracket System: Embrace convenience and practicality with the Shimano Easy Flip-Flop Bracket System. Easily switch between different rotor sizes without hassle, adapting your bike to any adventure that comes your way.


    Specifications of Shimano BR-RS305 Disc Brake Caliper

    Model No
    BR-RS305-F & BR-RS305-R
    Series Shimano
    Color Black
    Remarks Shimano Logo
    Compatibility New Super SLR
    Brake Type Mechanical Disc Brake
    Caliper Fixing Bolt|Anti Loosen Method Screw Fix Pin+Snap Ring (BR-RS305-F), Screw Fix Pin (BR-RS305-R)
    Caliper Fixing Bolt|Tool Size 4 mm
    Mount Type Flat Mount
    Pad Mount Pad Axle
    Piston 1
    Recommended Disc Brake Rotor SM-RT54/RT56 (160 mm), SM-RT70 (140 mm/160 mm)
    Ice Technologies Pad Compatible Caliper Yes
    Pad_Option 1 L05A-RF Resin (w/ fin)
    Pad_Standard 1 K05S-RX Resin (w/o fin)
    Fixing Screw Spec For Rear Mount (mm) 10, 15, 20, 25, 30, 35 (BR-RS305-R)

    Technologies of Shimano BR-RS305 Disc Brake Caliper

    New Super SLR: 

    SLR stands for Shimano Linear Response. The New Super SLR design makes use of a friction-reducing mechanism in the caliper, lever and cable that improve response and modulation.

    Also for the lever, the Servowave mechanism is adopted to provide quick contact of shoe to rim and longer stroke from the initial braking effect for better control.

    SLR is the essential factor in the Shimano dual-pivot caliper that deliver more braking power than conventional side-pulls.

    Ice Technologies:

    Shimano Ice Technologies components deliver more consistent braking performance by reducing heat buildup in the system. This helps prevent brake fade, which can happen when a rider applies the brakes repeatedly and strongly over a short period of time, such as when descending a long, steep hill.

    Shimano Ice Technology disc brake rotors and pads reduce heat buildup and provide consistent and reliable braking power available. The rotors feature a 3-layer stainless steel-aluminum-stainless steel sandwich design that radiates heat for better performance. The brake pads have an aluminum radiating fin that helps dissipate heat throughout the system.

    Together, Ice Technology rotors and brake pads deliver a quieter ride while reducing brake fade and extending pad life for a more reliable and confident riding experience.

    Ice Technology Pad: Available in resin or metal compound, the optional radiation fin pad with a 2-layer back plate (aluminum fin with stainless steel) further improves radiation performance.

    Ice Technology Rotor: Clad rotors as well as Clad Brake pads significantly reduce heat build-up in the brake system. This in turn reduces fading, which ensures consistent high performance even on long downhill stretches, It also results in a longer pad life and substantially quieter braking.

    Ice Technologies Freeza: Ice Technologies Freeza rotors utilize the 3-layer stainless steel-aluminum-stainless steel sandwich structure to reduce heat buildup.

    The inner aluminum layer extends inward with a wide exposed radiator fin that boosts its cooling capabilities.

    Ice Technology Hose: SM-BH90-SBLS long banjo hose reduces heat at a critical location where heat transmitted from caliper to hose. 

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