Your time on the bike is precious, let Shimano make it even better. Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. BR-R8170 disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain. - The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance - Wider pad clearance decreases brake noise - Maintenance-friendly bleeding process - Unparalleled ergonomic features, such as raised hood peaks on levers - Brake control is optimized with light and smooth lever action - Enhanced modulation thanks to an expanded braking control area - Compatible with wireless or wired connection

- High quality, durable stainless steel machined braking surface ensures consistent stopping power and resists corrosion - Reinforced rotor design improves stability and resists warping - Compatible with all sintered, semi-metallic, and organic/resin disc brake pad compounds

- Compound designed considering the higher weight and faster speed of E-bikes - Tuned for power, durability, and low noise

Guide Ultimate Lever Assembly

- A mountain bike specific rotor designed to improve brake performance while reducing noise and increasing heat dissipation - New brake track pattern for increased pad traction and recessed spokes with thermal dissipating paint - HS2 is more powerful, and quieter rotor with best-in-class heat management - Hub Compatibility: Center Lock - Disc Material: Steel

BL-M6100 - Intuitive and powerful braking - Quicker brake engagement with shorter free stroke - Rider tunable and action-optimized cockpit - High-performance brake control - Additional contact point for a stiffer brake lever - 10 deg. rotation angle setting range for I-SPEC EV shifting lever BR-M6100 - Pre-assembled - One-way bleeding system - Superior modulation gives you the power you need at low weight - Quick piston retraction - Lightweight 2-piston disc brake caliper - ICE TECHNOLOGIES - Without rotor and adapter

- Pair of H-type disc brake pads with fins, for 1 caliper - Available with resin or metallic compound - Fits Shimano 4-piston calipers Saint BR-M820 and BR-M810, Zee BR-M640 & XT BR-M8020 - Ice Technologies fins & aluminum backplate cools down the brakes in use, which improves braking consistency and power and reduces brake fade during long, technical dowhnill stretches - Longer lasting than D-type pads - Includes spring and split pin

- Shimano's flagship disc brake rotor, now available in ISO 6-Bolt mounting version - Features ICE TECHNOLOGIES FREEZA, a proprietary fabrication technique consisting of a 3-layer aluminum and stainless steel structure and special high heat dissipating treatment allowing for superior cooling and performance - Reduced power fading ensuring consistent high performance even on long downhill stretches - Helps increasing brake pads life and reducing noise

With a stiff, one-piece, co-molded design, Box Three™ Air Flow Brake Shoes provide the excellent stopping power and are the perfect choice for your next build. They include two-tone, dual-compound pads that feature a unique finned design that helps improve airflow. Pivoting posts aid installation and make toe-in adjustments simple and easy.

DESCRIPTION The Box Three Brake is available in 85mm with short reach lever or 108mm with long reach lever. They include two-tone, dual-compound pads that feature a unique finned design that helps improve airflow. The Philips head tension screws aid installation and makes toe-in adjustments simple and easy. FEATURES - Cold Forged from 6061-T6 Aluminum - Up to 35mm of brake pad adjustment - Box Three™ Air Flow Brake Shoes w/ Dual Compound Pads - Brass bushings, Stainless Steel Hardware - Phillips head tension screw - 5mn allen key to secure cable on right arm

Expanding on our award-winning Dominion A4. Our newest brake, Dominion A2, targets Cross Country and Trail riders. Dominion A2 features a two-piston caliper. Dominion A2 includes all the performance from the Dominion A4, utilizing a compact, two-piston caliper. With the SFL option, the Dominion is the ideal brake option for any rider with smaller hands. Hayes product development team set out to design a brake system specifically designed for a smaller ergonomic profile. Dominion SFL maintains all the power and feel of our proven Dominion A4, and accomplishes this using a specifically designed smaller and narrower brake lever. Dominion SFL can be used in conjunction with either our Dominion A2 two-piston caliper or our Dominion A4 four-piston caliper. With optional lever sizes and two caliper choices, Dominion from Hayes Disc Brake now offers a brake that's ideal for your application. Dominion A2 features the proprietary QuickBite² system for fast and consistent burnish, coupled with our D-Series rotor to manage the heat with less braking noise. Available in SFL (Small Finger Lever)—ergonomically tailored for the smaller hand. Key Features: - Tool-Free Reach Adjustment - Flip-Flop Lever Orientation - King Pin Pad Retention - Crosshair Caliper Alignment - Two-Stroke Dual-port bleed system Specifications: - 303g (100cm hose and mount hardware) - DOT 5.1 Fluid - Tool-Free Reach Adjustment - 2-Stroke Dual Port Bleed System - Sealed Cartridge Bearings Lever Pivot - 100cm Front Hose Length - 180cm Rear Hose Length

Kool-Stop Ebike Compound Disc Brake Pads - Features a ceramic layered steel back plate and organic pad compound - Fits Magura 4-Piston MT-5/MT-7

The Box One Disc Brake Adapter is designed to improve braking control on frames where disc brakes were not standard. Compatible with 2 types of dropouts and 3-10mm hubs, the Box Disc Brake Adapter goes over your hub’s axle and mates with the frame’s dropout in the right configurations allowing mounting of a standard post mount disc brake caliper. Please note this product is NOT universally compatible. We strongly recommend reading the Compatibility and Installation instructions for details before purchasing. FEATURES - 3-10mm hub - 6061-T6 aluminum - 140mm Brake Rotor Only - Post Mount Caliper Compatibility - 150lb Rider Weight Limit

Smooth, controlled braking is yours with Avid's G2 CleanSweep Rotor. It utilizes cross-drilled technology to dissipate heat and cut weight, giving you a consistent feel at the lever and predictable speed control in all conditions.

Bolt on SRAM's Apex Pad & Holder for excellent braking. The holder design makes it easy to switch pads—meaning this system is great for road and cyclocross bikes alike!

Origin-8's Pro Pulsion Classic Road Caliper offers excellent braking power for road bikes. A dual pivot design provides solid stopping power and the forged aluminum construction keeps the weight low. A variety of reaches ensure proper fitment and the vast array of colors and finishes let you match your ride, or add an accent.

Avid's Front 180mm/Rear 160mm Post Bracket Hardware Kithas everything you need to mount a front 180mm or a rear 160mm rotor (sold separately) to your bike.

Hope Disc Brake adaptors are CNC-machined and ensure a perfect fit with all Hope Brake sets. - CNC machined in Barnoldswick, England - Includes mounting bolts

Hope Mono Mini Disc Brake Pads. · Sintered: high-graphite compound; best for wet weather durability · Organic: Softer compound than sintered, works better in dry conditions, but wears faster · Fits Tech and Tech Evo M4 Brakes

SRAM's right-side Rival 22 Hydraulic Disc Brake and Brake Lever is descended from their top-end RED road group offer precise braking performance. The aluminum brake lever and shift paddle deliver smooth modulation and deft shifts while keeping the weight impressively low. The ErgoFit textured body improves grip and finger wrap with reduced diameter, providing better control and a better transition to the bar. For optimal feel, you can also set your lever reach to fit your hands thanks to Reach Adjust. SRAM's Rival 22 right shifter is designed to work with a SRAM 11-speed cassette. The forged aluminum disc caliper is optimized to give you the stopping power and modulation you need for road and cyclocross riding. A fully-sealed hydraulic system prevents contamination during muddy cross races and epic dirt-road slugfests. Once you experience the incredible ability of SRAM's Rival 22 Hydraulics, you'll never go back to rim brakes again!

Heavyweight performance in a lightweight package. Level TL packs the same XC and trail-optimized power delivery into a brake set that won’t break the bank. This brake matches an alloy DirectLink lever to a lever body that contains the same technology found in the Level TLM, Level Ultimate and Guide series of brakes, for reliability and consistency you can count on.

Clean up your handlebar with Avid's MatchMaker X clamp. It combines mounts for your SRAM shifters and Avid brake levers into one simple, sleek unit so you can shed grams and keep your bars nice and tidy. You can also integrate RockShox's XLoc remote (sold separately) for maximum convenience and ease of use.

Put supreme control right at your fingertips with Shimano's Deore Two-Finger V-Brake Levers. Ergonomic lever blades are comfortable and easy to use. The internal bumber offers silent lever return, and the reach can be adjusted to fit your hands.

Level T capitalizes on the same trail-taming brake technology that conquered the 2015 World Mountain Bike Championships, to deliver a powerful and consistent XC and trail-optimized brake set that keeps your capital in the bank. This budget-minded, MatchMaker-compatible brake set provides all the power of its siblings, keeping you in complete control.

The Box Three Brake is available in 85mm with short reach lever or 108mm with long reach lever. They include two-tone, dual-compound pads that feature a unique finned design that helps improve airflow. The Philips head tension screws aid installation and makes toe-in adjustments simple and easy. Box Three V-Point Brake Levers are the most versatile levers in the entire Box family. Available in either short or long reach versions, Box Three Levers are reversible, allowing users to 'flip' the lever for use on either side of the handlebar. Other features include reaching adjustment for accurate positioning and a barrel adjuster to fine-tune cable tension. - Cold Forged from 6061-T6 Aluminum - Up to 35mm of brake pad adjustment - Box Three Air Flow Brake Shoes w/ Dual Compound Pads - Brass bushings, stainless steel hardware - Phillips head tension screw - 5mn allen key to secure cable on right arm - Includes Box Two Black Brake Housing and Stainless Steel Cable

Level Ultimate is the master of two forces—power and weight—in one sleek, durable design. In this build, we took every gram to task. Carbon-fiber lever blades for crisp, clean pulls. A new two-piece, two-piston caliper for superior heat management and smooth piston actuation. With Ultimate, total control is at your fingertips. - Modern XC power for today's most demanding races - Pivot bearings offer crisp lever feel and a fatigue-free ride - Engineered for easy installation and maintenance

With quicker brake engagement and shorter free stroke, the Shimano Deore BR-M6100 brake set delivers intuitive braking so you can stay focused on the trail ahead. The I-Spec EV shift lever offers a wider adjustment range for superior rider tuning. - Intuitive and powerful braking - Quicker brake engagement with shorter free stroke - Rider tunable and action-optimized cockpit - High-performance brake control - Additional contact point for a stiffer brake lever - 10 deg. rotation angle setting range for I-Spec EV shifting lever - Lever/caliper sets sold individually for front or rear.

- Suitable for light use applications - Good performance at low temperatures - High-density ceramic organic compound for extended pad life - Low rotor wear - Extremely quiet

Box Three V-Point Brake Levers are the most versatile levers in the entire Box family. Available in either short or long reach versions, Box Three Levers are reversible, allowing users to 'flip' the lever for use on either side of the handlebar. Other features include reaching adjustment for accurate positioning and a barrel adjuster to fine-tune cable tension.

- Optimum heat dissipation - High durabilty - Wear indicators - 1.95mm thick - Rounded edge - UCI approved