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  • Ibis NX Eagle Mountain Bike
  • Ibis NX Eagle Mountain Bike
  • Ibis NX Eagle Mountain Bike Detail
  • Ibis NX Eagle Mountain Bike 3/4 Back
  • Ibis NX Eagle Mountain Bike Detail
  • Ibis NX Eagle Mountain Bike Detail
  • Ibis NX Eagle Mountain Bike Detail
  • Ibis NX Eagle Mountain Bike Detail
  • Ibis NX Eagle Mountain Bike Detail
  • Ibis NX Eagle Mountain Bike Detail
  • Ibis NX Eagle Mountain Bike Detail
  • Ibis NX Eagle Mountain Bike Detail
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NX Eagle Mountain Bike

Item # IBSB05O

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Item # IBSB05O

Ripley NX Eagle Complete Mountain Bike

Even though mountain bikes continue to get longer and slacker, we think there's a point where it can go to far. There a balance that needs to be achieved, especially for trail bikes, and thankfully Ibis takes that into consideration with the new Ripley. Though the bike does get the requisite longer-slacker-steeper treatment to bring it into modern territory, we feel it hits a sweet spot that's still capable of quick accelerations and nimble handling. The bike gets a modest 1-degree slackening of the head tube angle, lengthening the wheelbase just a bit and extending the reach in the cockpit by 45mm to give you a little more room to move around. At the same time, the seat tube is 3-degrees steeper, providing a more comfortable and efficient pedaling position for attacking climbs and racking up the miles. The Ripley 4 also gets an all-new frame with design cues borrowed from the Ripmo, allowing room for longer-travel dropper posts, shorter chainstays, and providing a boost in stiffness—all while maintaining the liveliness and reliability of the DW-Link suspension platform.

The Ripley 4’s major redesign meant that Ibis’ engineers could start from the ground up, and they chose to start with the heart-and-center of the bike, updating the dual-eccentric links used in the past to a new design based on the Ripmo, which still holds DW-Link suspension tucked neatly in the front triangle, but without as much weight, and with a huge boost in stiffness. This change in the frame’s chassis allows massive weight savings of over a half-pound on the frame alone, giving your all-mountain machine a little more pep in its step when you’re pushing up grueling climbs, and a more nimble feel when you’re flicking it around tight switchbacks.

Weight savings aside, one of the biggest benefits we see with the drop of the double-eccentric design is extra room in the seat-tube, which enables taller riders to run dropper posts up to 185mm. This long-dropper length lets Ibis’ engineers carry forward with even more geometry tweaks, like an extra-low standover height, so you can pick your frame based on reach, eliminating seat-tube size from your list of limiting factors on your new-bike hunt.

Changes didn’t stop with the eccentrics though, the Ripley has been tweaked all over, including a one-degree slacker headtube for a stretched wheelbase that adds a bit of confidence to the descents, and a three-degree steeper seat tube angle that keeps you in the center of your cockpit perched nicely for climbs. On the rear end of things, Ibis shortened the chainstays by a whopping 12-millimeters to boost stiffness, and make the suspension a bit more progressive, without letting go of the lively pedaling characteristics of the previous Ripley.

  • Conquer the mountain with Ibis' speedy short-travel 29er
  • Modern geometry increases the bike's capability
  • Improved stability thanks to slightly slacker head tube
  • Steeper seat tube for more comfortable and efficient pedaling
  • Redesigned chassis boosts stiffness, drops 1/2-lb frame weight
  • New frame design allows room for longer travel dropper posts
  • DW-Link suspension is remarkably smooth and efficient
  • Short standover height enables you to fit bike based on reach
Tech SpecsGeometry
Tech Specs
Frame Material
carbon fiber
Rear Shock
Fox Float Performance DPS with EVOL
Rear Travel
Fox Float 34 Performance
Front Travel
Cane Creek 40 ZS44/ZS56
Rear Derailleur
Chainring Sizes
Bottom Bracket
Bottom Bracket Type
English threaded (BSA)
SRAM PG-1230 NX Eagle
Cassette Range
11 - 50t
SRAM Level
Brake Type
hydraulic disc
180mm SRAM CenterLine
Ibis Aluminum
Handlebar Width
Lizard Skins Charger Evo lock-on
Ibis Aluminum
WTB Silverado Pro 142mm width
KS E30i Dropper
Seat Collar
Ibis S35 Aluminum
Ibis Logo
Front Axle
15 x 110mm Boost
Rear Axle
12 x 148mm Boost
Schwalbe Nobby Nic
Tire Size
29 x 2.6in
not included
downtube protector, swingarm protector
Recommended Use
cross-country, trail
Manufacturer Warranty
7 years on frame, lifetime on IGUS bushings

130mm Travel Fork

a Seat Tube
b Effective Top Tube
c Stack
d Reach
e Stand Over
f Head Tube
g Head Tube Angle
h Seat Tube Angle
i Bottom Bracket Height
j Bottom Bracket Drop
k Chainstay
l Wheelbase
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Best bike I've ever owned

  • Familiarity: I've put it through the wringer

Use at the mtn bike trails of Dallas/Ft Worth area, doesn't have the topography of Utah but not meek by any means. The bike climbs and descends equally well without all the extra travel that 90% of riders don't need anyway. The 29in wheels are nothing like the ones of old, this bike corners and snaps off of switchbacks just like my old 27.5 Trek. As far as the NX build goes i didnt see it as prudent to spend a ton more money just to shed a minimal amount of weight as I'm not an advanced rider but from a functionality standpoint the components work great. This bike seemed to be in very high demand and was unavailable at my local bike shops, Competitive Cyclist had it over a month earlier than was available locally. Arrived in perfect shape, just pop on the wheels and handlebars.

How's the stability on descents? I wonder how it compares to the Ripmo. I know the Ripley can climb like a Rocket and pedals amazingly well, but it could be a bit more stable on descents.