What’s it going to take to ride that line? It’s steep. It’s rocky. You’ve passed it a hundred times. But not this time. With the all-new SRAM Guide R, you have the power. Proven 4-piston calipers give you smooth, one-finger control. Features like Reach Adjust let you dial it in just right. And Guide perfectly complements other SRAM components and gives you flawless performance on every ride. Now featuring the World Championship-winning S4 caliper with Bleeding Edge™ and Heat Shield technologies.
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Specifications for Guide R
|Caliper Design||4-piston, dual diameter S4 caliper|
|Adjustment||Tool-free Reach Adjust, Banjo Adjust|
|Special Features||Tool-free Reach Adjust, Piggyback Reservoir, MatchMaker™ X compatible, Bleeding Edge™, Heat Sheild|
|Technology Highlight(s)||DIrectLink™, PURE™ Bladder, Timing Port Closure, Bleeding Edge™, Heat Sheild|
|Pad / Holder||Top-loading|
|Rotor Sizes||140 (rear), 160, 170, 180, 200mm|
|Tri-Align Caliper Positioning System||No|
|Tool-Free Pad Replacement||Yes|
|Other||Now featuring the World Championship-winning S4 caliper with Bleeding Edge™ and Heat Shield technologies.|
- Bleeding Edge
New bleed porting and fluid path make it easier to push fluid through the caliper for quick and easy bleeding, dedicated bleed adapter for the S4 caliper plugs into the bleed port and seals the system to minimize air contamination and fluid loss.
SRAM’s DirectLink lever design produces a solid, positive feel the second you squeeze the lever to engage the brake It offers a no-nonsense solution to give you precise control.
- Expandable Bladder
SRAM’s new brake lever design includes a reshaped bladder that helps regulate and reduce air bubbles. The bladder is specifically shaped to evacuate air from the lever and push the fluid exactly where it’s needed. The result is improved back-pressure relief, which produces dependable braking power and consistency.
- Heat Shield
The stainless steel heat shields breaks the thermal connection between the pad and caliper body, reducing caliper fluid temperature by about 20C even in the most extreme testing conditions.
- MatchMaker and MMX Compatible
Save weight and clutter on the bar with Matchmaker. It holds Avid levers, SRAM® triggers, and various RockShox® controls, all with one tidy, light, clamp--a dream come true for handlebar component footprint conservationists the world over. Available in two versions: Matchmaker™ X integrates the RockShox®XLoc and is compatible with XX and X0 brakes. Standard Matchmaker™is also available and works with any split-clamp design and RockShox® PushLoc.
- PiggyBack™ Reservoir
The brake fluid reservoir on SRAM’s latest lever design is optimized for both performance and ease of use. The PiggyBack Reservoir offers a simple, failsafe way to manage brake fluid, and also allows for ambidextrous lever placement—so you can switch your levers on the handlebar and run them moto without hassle.
- Reach Adjust
Brake lever fit and feel is a personal thing. Riders have individual positioning preferences, as well as unique hand sizes and finger lengths. Reach Adjust makes it easy to adjust your lever for maximum one-finger control for everyone.
- Timing Port Closure
A hydraulic brake’s timing port is the connection between the reservoir and the master cylinder bore. When the lever is squeezed, a cup seal passes this area and closes the port, which pressurizes the system. SRAM’s new timing port closure system features durable seals and an ultra-smooth cylinder bore finish, producing dependable braking power and consistency.
Documents Available for Guide R
A video project diving deep into the history of the Avid and SRAM brakes started almost a year ago with BIKE Magazine. The BLUEPRINT video series on BIKE Magazine focuses on past and present developments that bring a certain product technologies to success, providing a unique and candid look at the make-up of a component.
BIKE Magazine gear editors Ryan Palmer and Vernon Felton concluded the new SRAM Guide brake line up to be one of the most consistent, reliable and highest performing brakes they have ever ridden.