Shimano 105 BR-R7170 Dealer's Manual

Shimano 105 BR-R7170 Brake Lever manual cover
Pages 92
Year 2022
Language(s)
English en

Shimano 105 BR-R7170 Brake Lever Specification

The Shimano 105 BR-R7170 Brake Lever is a high-performance component designed for road cycling enthusiasts seeking precision and reliability. Engineered with advanced technology, this brake lever is part of Shimano's renowned 105 series, offering a balance of affordability and professional-grade performance. The lever is constructed from lightweight and durable materials, ensuring longevity and efficient power transfer. It features an ergonomic design that provides a comfortable grip, reducing fatigue during long rides. The integrated reach adjust mechanism allows riders to customize the lever position, enhancing comfort and control for various hand sizes. The BR-R7170 model supports hydraulic disc brakes, delivering consistent and smooth stopping power in diverse conditions, including wet and muddy environments. This brake lever is compatible with Shimano's 12-speed groupsets, ensuring seamless integration with modern drivetrains. The sleek and minimalist design complements contemporary bike aesthetics while maintaining aerodynamic efficiency. Installation is straightforward, thanks to Shimano's user-friendly design, and the lever's maintenance requirements are minimal. Overall, the Shimano 105 BR-R7170 Brake Lever combines cutting-edge technology with practical features, making it an ideal choice for cyclists who demand reliability and performance without compromising on comfort or style.

Shimano 105 BR-R7170 Brake Lever F.A.Q.

How do I adjust the reach on my Shimano 105 BR-R7170 brake lever?

To adjust the reach, locate the small adjustment screw on the inside of the brake lever. Use a 2mm hex key to turn the screw clockwise to decrease reach or counterclockwise to increase reach.

What should I do if the brake lever feels spongy?

If the brake lever feels spongy, it may require bleeding. Follow the Shimano bleed kit instructions to remove any air bubbles from the hydraulic system.

How can I ensure optimal performance of my Shimano 105 BR-R7170 brakes?

Regularly inspect the brake pads for wear and replace them if they are below the recommended thickness. Ensure that the hydraulic fluid is at the proper level and free of contaminants.

What maintenance should be performed on the brake lever?

Periodically clean the brake lever with a damp cloth to remove dirt and debris. Lubricate the pivot points with a suitable lubricant to ensure smooth operation.

How do I replace the brake pads on my Shimano 105 BR-R7170?

To replace the brake pads, remove the wheel, then use a 3mm Allen key to remove the pad retention bolt. Slide out the old pads and insert the new ones, ensuring they are properly aligned. Secure the pads with the retention bolt.

Why is my brake lever not returning to its original position?

If the brake lever is not returning, it could be due to a lack of lubrication or a misalignment. Check the lever pivot points for obstructions and apply lubricant if necessary. Ensure the brake cable or hydraulic line is not kinked.

How can I test the brake lever for proper functionality?

To test the brake lever, squeeze it firmly and ensure it engages the brake caliper without excessive travel or noise. Release the lever to check for smooth return. Repeat this process multiple times.

What type of hydraulic fluid is recommended for the Shimano 105 BR-R7170 brake lever?

Shimano recommends using their proprietary mineral oil for the 105 BR-R7170 brake lever. Avoid using automotive or other types of hydraulic fluid as they may damage the system.

How do I align the brake caliper on my Shimano 105 BR-R7170?

Loosen the caliper mounting bolts slightly, then squeeze the brake lever to center the caliper over the rotor. While holding the lever, tighten the mounting bolts to secure the caliper in the correct position.

What should I check if the brake lever is making noise during operation?

If the brake lever is noisy, inspect for dirt or debris in the lever assembly and clean it if necessary. Ensure all bolts and screws are tightened to the recommended torque to prevent rattling.