THE POWER OF PERFECTION
Fast isn’t about pure speed, it’s about perfect speed. It’s about knowing the right line and having the confidence to ride it. Flawlessly. The new SRAM Guide RS is precision at your fingertips, with a proven 4-piston caliper and innovative SwingLink™ lever technology that gives you more positive pad contact and increased braking authority. Light, crisp, clean and now compliments your SRAM drivetrain. Go faster. Now featuring the World Championship-winning S4 caliper with Bleeding Edge™ and Heat Shield technologies.
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Some variations of this product featured on this page are not available for purchase and are installed on bicycles as original equipment only. See your dealer for details.
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Specifications for Guide RS
|Caliper Design||4-piston, dual diameter caliper|
|Adjustment||Tool-free Reach Adjust, Banjo Adjust|
|Special Features||Tool-free Reach Adjust, Piggyback Reservoir, MatchMaker™ X compatible, Lever Pivot Bearings, Bleeding Edge™, Heat Shield|
|Technology Highlight(s)||SwingLink™, PURE™ Bladder, Timing Port Closure, Bleeding Edge™, Heat Shield|
|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.
- 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.
Squeeze a new SRAM brake lever and you notice it immediately. Less deadband. More positive pad engagement. A new cam system requires less lever throw to push the pads toward the rotor. That’s great, but there’s more to perfect braking performance than just power. You need control. Many brake systems minimize deadband—but at the cost of modulation. SwingLink solves that with its special cam shape. When the pads contact the rotor, power is modulated, avoiding that “on/off” brake feel. It’s the perfect balance of power and precision.
- 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 RS
“The new Guide brakes offer improved consistency and more power over their predecessors, but haven’t sacrificed the impressive modulation that has always made the company’s brakes winners when it comes to low-traction scenarios. The bolstered reliability will be what wins the average rider over, though, as SRAM finally has a brake offering that I’d consider as being able to set-and-forget.“
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.