Cube - Stereo 120 HPA Race 27.5 Side-Swing iridium acute n acute

Cube Stereo 120 HPA Race 27.5 Side-Swing Frame iridium´n´blue | Frames
For kids
CE Certification
Component type
The Cube Stereo 120 HPA four-joint aluminium frame, convinces with many technical details.

Ideal partner for riding fun: Cube Stereo 120 HPA Race Side-Swing Frame 27.5 in iridium´n´blue

We don't cut corners at CUBE - it's not the way we do things. But we do cut weight, wherever we can. That's why the Stereo 120 HPA Pro has triple butted, hydroformed tubes and an intelligent design that puts material where it's needed and takes it away where it isn't. Not only does this save precious grammes, it also improves steering precision and frame rigidity, so every pedal stroke or turn of the bars counts. And, of course, Efficient Trail Control (ETC) and Agile Trail Geometry (ATG) combine to create an agile, responsive ride.

Shimano Side-Swing
Designed specifically with modern trail bikes in mind, Shimano’s Side-Swing front derailleur provides 15mm of increased tire clearance, while new cable routing dramatically reduces shifting effort. Designed for larger wheels and longer travel, brings Shimano’s industry-leading front shifting to another level.

Product features - Stereo 120 HPA Race 27.5 Side-Swing Frame iridium´n´blue

  • Material:  Aluminum HPA Ultralight, Advanced Hydroform, Triple Butted, ATG, ETC 4-Link, AXH
  • Seat post: 31.6mm
  • Seat clamp: 34.9mm
  • Front deraileur:  Direct Mount Side-Swing(Only compatible with  Direct Mount Side-Swing front deraileur!)
  • Headtube diameter:  Tapered 1 1/8" (ZS 44mm)  semi-integrated - 1 1/2" (ZS 56mm) semi-integrated
  • Bottom bracket housing:  Pressfit 92mm
  • Disc brake mount rear:  Postmount
  • Wheel size:  27.5"
  • Rear Shock installation length:  184x44mm
  • Bushings:  22x8mm / 30x8mm
  • Recommended Fork Travel: 120mm
  • Dropout:  Thru Axle X12 (12x142mm)
  • Derailleur Hanger:  Only compatible with Shimano rear derailleur! 


  • iridium´n´blue


  • 2650g (18")

Scope of delivery

  • Cube Stereo 120 HPA Race 27.5 Side-Swing Frame iridium´n´blue
Rear Shock (184x44mm), Bushings (22x8mm / 30x8mm) and Thru Axle (12x142mm) not included!


High Performance Aluminum
For our high end bikes we use High Performance 7005 Aluminium alloy which has a very low density combined with high strength due to the alloy elements and the hardening heat treatment. By triple butting or even quadruple butting to give different wall thicknesses in one tube, aluminium tubes are reinforced where required and made lighter where possible. In this way, we succeed in getting material where its needed most. In addition we use special tube shapes, manufactured with hydroforming technology to better cope with directional forces. The low density and high strength as well as the butting and the hydroforming technology enable us to make high performance frames with an ultimate level of stiffness.

Advanced Hydroforming
The new STEREO , FRITZZ and HANZZ models are built using Advanced Hydroforming. Conventional hydroforming processes cannot achieve these custom shapes and technical advantages. As this manufacturing method reduces the number of welds, the weight is reduced while durability is increased.

Aluminium Ultralite
Very high tensile strength heat-treated 7005 aluminium alloy is developed for the highest requirements. It is very stiff, fatigue resistant, corrosion resistant and has high elongation. Our Superlite tubes are triple butted, giving very light tubesets with a high level of stiffness.

Efficient Trail Control
Our Efficient Trail Control series works so that everyone can have more fun on the trail. With 27.5 and 29er wheel options our frames cover the widest range of riding on every terrain you can imagine. The low leverage ratio and linear rate curve makes the bike very sensitive, avoids bobbing and offers full usable travel all the time. Steep seat tube angles and slack head tube angles make these dream machines ready for action on the descent where you can use the full amount of travel to be on the safe side.

The key requirement is for continuously active and fully usable travel, with the rear triangle unaffected by pedalling or especially braking forces. There are a number of ways of achieving this – CUBE favours a four bar design with a chainstay pivot. Here, one of the pivots is located between the dropout and the chainstay, ensuring that braking does not have a negative effect on the movement of the rear wheel. By carefully positioning the remaining pivots, we obtain the finest riding qualities for our full suspension bikes both uphill and downhill. This fact is proven by many top test results in leading magazines over the last few years.

Adaptable X12 Hanger
We optimized our new dropout design based on the Syntace X12 through-axle system, enlarging the area of the frame where the hanger is mounted. We can now fit the longer Direct Mount hangers. Shifting precision and stiffness is therefore improved. With the new design it's also possible to swap the whole contact area of the axle with the hanger should the system be worn out.

Agile Trail Geometry
The Agile Trail Geometry carries over the Agile Ride Geometry’s benefits but with more focus on aggressive trail use. This can be achieved through a more compact frame construction with an even lower top tube and improved standover height. The result is more freedom of movement on the bike for the rider and a lower centre of gravity which guarantees agile handling and more riding fun.

Integrated Cable Routing
Internally routed cables offer many advantages. Cables are protected from dirt for longer life, weight is saved thanks to the absence of external housing and the bike has a clean, sleek appearance.

Integrated Post Mount
The post mount rear brake system is found on all carbon fiber frames and top aluminum full suspension models. Two bolts and the IS adpater aren’t needed anymore, and fewer parts means less weight. In this case we save 30 grams. This may not sound a lot. But there's potential to save weight in every detail.

Press Fit BB
With Press Fit bearings, the bottom bracket bearings are pressed directly into the frame and not screwed in as usual. This gives a wider bottom bracket shell and allows us to build a wider down tube and more broadly-spaced chainstays. Every millimetre of additional width gives a significant improvement in lateral stiffness.

Tapered Steerer
This steerer tube design is stiffer than a conventional straight steerer and yields a more secure ride feel even in difficult terrain. Minimal flex at the front of the frame means the greatest possible steering precision. With the larger steerer, the forks become more rigid. At the same time weight is saved due to the absence of bearing shells as the lower bearing is fully integrated into the head tube. On all of our CUBE carbon models the upper bearing shells are also directly in the frame, so that once more a few grams are saved and the energy transfer is very direct.

X12 Through Axle
In this system, a cone is used to form a play-free connection. It is only necessary to tighten the axle from one side. The position of the wheel is done by an insert in the right-hand dropout which is secured by a bolt. The main advantages of the Syntace system are quick and simple changing of the wheel, reliable position of the brake disc and higher stiffness of the rear of the bike. This allows the assembly to be made lighter than a conventional through-axle.

Wet Paint Surface
On polished, brushed aluminium and all HPC frames, the logos and graphics are applied in multi-layer wet paint. We use this surface treatment technology mainly to save weight.

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