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The Eagle has Landed: All-New 12 Speed SRAM Drivetrains

Total revamp, an extra gear and a massive 10–50 tooth spread!!!

SRAM introduced the first ever, purpose built 1x drivetrain, and is the absolute leader in 1x technology and innovation. It’s always been a favourite here at Dirt and again is one of our picks in the 2016 Dirt 100.

SRAM have manufactured, tested and ridden hundreds of thousands of 1x™ drivetrains, and have capitalized on the lessons learned from their experience to create all new drivetrains with Eagle™ Technology. Eagle™ drivetrains provide unparalleled performance, enhanced toughness and durability, and the freedom of an increased range of gears. Most riders who have tried an eleven speed 1x drivetrain love its simplicity, silence, chain security and low weight. Others may feel they lack just one or two lower gears, yet don’t feel they want to compromise the top end ratios (and potentially suspension action) by fitting a smaller chainring. This new transmission from SRAM answers those questions.

Is the front mech dead? SRAM Eagle possibly finishes it off for good…
 

 

This new Eagle technology from SRAM is split into two main component levels, XX1 and X01. It’s the X01 that looks the most relevant to the bikes we run here at Dirt. First up, here’s the overview from SRAM and who their focus is on with this kit.

BORN IN THE USA, ENGINEERED IN GERMANY, MADE FOR THE WORLD

 

SRAM XX1 Eagle™ – NEW RULES

We built the incredible new XX1 Eagle™ drivetrain to work quietly, intuitively, precisely and perfectly. Whether you’re an hour and twelve minutes into a World Cup XC or, just about to hit the top of Pearl Pass—XX1 Eagle™ is ready for that and every place in between. This cross-country-optimized drivetrain combines our newest generation of SRAM 1x™ drivetrain technological advancements with lightweight materials. With a greater gear range of 500-percent, XX1 Eagle™ gives you smoother, more precise shifts with greater durability for long lasting performance so you can spend more time in the gear you want. XX1 Eagle™ just rewrote the rules of freedom.

SRAM X01 Eagle™ – FEARLESS

The X01 Eagle™ drivetrain signals an exciting new era of freedom and the next level of uncompromising performance for enduro racers and aggressive trail riders. Watching the world’s best racers use our parts to battle against nature, physics and time itself, has inspired us to supply them with the most advanced tools we can develop. X01 Eagle™ takes everything you love about our pioneering 1x drivetrains and increases its wear life, toughness, precision, smooth and silent operation. Add to that the 10- to 50-tooth, 12-speed, Eagle™ cassette, and you have a range of gears that gives you the freedom to enjoy the benefit of 1x in any terrain, any location and at any speed. X01 Eagle™ is drivetrain freedom—how you exploit it is up to you.

X01 EAGLE

X01 Eagle™ takes everything you love about SRAM’s pioneering 1x drivetrains and increases its wear life, toughness, precision, smooth and silent operation. Add to that the 10- to 50-tooth, 12-speed, Eagle™ cassette, and you have a range of gears that gives you the freedom to enjoy the benefit of 1x in any terrain, any location and at any speed. X01 Eagle™ is drivetrain freedom—how you exploit it is up to you. X01 Eagle™ Chain Silence It might look normal from the outside, but the engineering inside this incredible new chain design that makes possible a gear range previously found only in 2-chainring drivetrains. And it’s also the biggest contributor to the Eagle™ drivetrain’s ultra-smooth, precise, durable and quiet performance. The Eagle™ chain’s links have a smooth radius, with no sharp edges or chamfers, which yield a significant reduction in noise, friction and wear on chainrings and cassette cogs. This design also allows for a flatter plate, which means more consistent chain riveting and greater overall strength. HARD CHROME™ technology extends the chain’s optimal performance life, and a Titanium Nitride coating on the Gold and Black models decreases corrosion and further reduces friction.

KEY POINTS WITH THE NEW X01 EAGLE:

 SRAM’s newest 1x drivetrain technologies.

 Eagle™ is a lighter, tougher, quieter, more durable and more precise.

 Eagle™ features all-new 1x components, engineered for even greater durability and performance.

 This new technology has a significant weight advantage over other drivetrains—XX1 Eagle™ weighs up to 300 grams less than 2x drivetrains with similar gear range.

 New cassette innovation allows an expanded, optimum, 500-percent gear range—a 20-percent increase over our other 1x drivetrains.

CASSETTE

Designed for use with our proven, reliable XD™ driver body, this 12-speed, 10- to 50-tooth cassette offers an optimal 500-percent gear range at a considerably lighter weight than 2x systems. It carries with it the X-DOME™ architecture, which, independent tests have concluded, yields the strongest cassettes on the market. New shifting characteristics improve both, inboard and outboard shifting, as well as chain retention.

PRICE: £302

CHAIN

The Eagle™ chain’s links have a smooth radius, with no sharp edges or chamfers, which yield a significant reduction in noise, friction and wear on chainrings and cassette cogs. This design also allows for a flatter plate, which means more consistent chain riveting and greater overall strength. HARD CHROME™ technology extends the chain’s optimal performance life, and a Titanium Nitride coating on the Gold and Black models decreases corrosion and further reduces friction.

PRICE: £50-71

CRANKS

This is a completely re-engineered design, employing our proprietary CARBON TUNED™ lay-up technology. Built tough, to handle aggressive lines through rock gardens and big hits wherever you find them, the new X01 Eagle™ is the strongest, stiffest, lightest crankset available.

PRICE: £328

CHAINRING

The radical new look and feel of our X-SYNC™ 2 Eaglechainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC™ chainrings. We subjected every size of chainring to untold environmental and mechanical tortures, abuse and neglect, in both lab and real-world settings, to come up with a chainring that would augment the Eagle™ drivetrain’s performance in all conditions. The longer, positive-rake tooth shape has been designed to work perfectly with the new Eagle™ chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise and wear. 

PRICE: £79

SHIFTER

Tucked neatly beneath your handlebars, the X01 Eagle™ X-ACTUATION™ trigger shifter is the nerve center of the Eagle™ drivetrain. Its internal works have been updated to include a 12th gear, and improved to enhance trigger feel, precision and durability. Whether you’re 4 stages into the race or days away from civilization, the X01 Eagle™ trigger shifter is your faithful 1x touch point.

PRICE: £112

REAR DERAILLEUR

This new derailleur not only answers the Eagle™ drivetrain’s need for greater capacity, but it’s also the next evolution of our proven, 1x-specific X-HORIZON™ design. The larger, 14-tooth X-SYNC™ lower pulley allows 10- to 50-tooth cassette capacity in this relatively compact design, and also adds to Eagle’s overall smooth-pedaling feel. Our new, Type-3 ROLLER BEARING CLUTCH™ features a smoother torque curve for a quieter, more consistent operation and feel. CAGE LOCK™ has been moved back and out of the way, protecting it from trail debris. And a redesigned, robust mounting system further improves the Eagle™ derailleur’s performance and overall durability.

PRICE: £185

GRIPSHIFT!!

Three decades ago, SRAM was founded on a product called Grip Shift, and an idea that shifting a bike should be easier, better and more intuitive. It’s more advanced than the original, but the all-new X01 Eagle™ Grip Shift follows in the same tradition of making shifting easier, better and more intuitive. The new X01 Eagle™ Grip Shift system includes new, robust internals that make it more durable and its shifting performance more precise. But just like the original, it is total control in the palm of your hand. 

PRICE: £103 

 

 

 

GROUPSETS: 

X01 EAGLE  Weight: 1502g (No B.Bkt), Price: £1005

XX1 EAGLE  Weight: 1456g (No B.Bkt), Price: £1173

So, where’s this all going? SRAM turned it up to eleven some years back and have now nudged things up one more. We started back in the 80s with a six speed freewheel and a triple chainset, a total of eighteen gears. Then with the arrival of the freehub and cassette system came seven, eight and eventually ten sprockets at the rear and when combined with two or more rings at the front left us with many more gears than we really need.

At Dirt we’ve been running single chainrings up front for years. ‘One by ten’ is and was great; we’d get off and push (and have a chat…) if things got too steep. Then SRAM moved the game forward with a wide range eleven speed cassette and this gave us fewer excuses. Now it’s twelve. Is this just too many? It’s all about choice I guess. The recently launched, great value SRAM NX transmission shows innovation at all price points and this Eagle tech will no doubt trickle down the range…

www.sram.com

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