Below is the recommended sizing for the Transition Regulator CX E90 2027 2025 Here you should measure your height with your shoes off.

Please Note: Many bike brands' size guides overlap slightly. This is because small adjustments like seat position can accommodate riders who fall between sizes. When you're in this overlap zone, the choice comes down to preference: a larger size for a more stretched-out ride, or a smaller size for a more compact feel.

At MTB Monster, we help customers on a daily basis choose the right size bike for their needs. We consider your measurements, riding style, and past bikes to help recommend the best size. If you're in doubt at all or want to just confirm your thoughts please contact us and we would be glad to help.

Frame Protection in our opinion is money well spent. Your bike is an expensive investment and frame protection helps to protect your paintwork from scratches, scuffs and chips to keep your bike looking spotless for years to come. In essence, frame protection is a custom cut, self-healing frame protection film made from Lotus Pro 10 - 10.3mil thick TPU film (or similar) designed specifically for mountain bikes and electric bikes. It features a ceramic-embedded hydrophobic top coat that effectively repels water, mud, and dirt, making post-ride cleanups faster and easier. Kits are available in both gloss and matte finishes and unless specifically requested we would fit the kit to match the finish of your paintwork. Some bikes have a mixture of matte and gloss paintwork and in most cases mixed finish kits are available. The material of a frame protection kit will act as an extra layer of clear coat and can make the finish of raw carbon more prominent due to the way that the light refracts. Similarly, fitting a matte finish kit can produce a more satin finish and mean that the kit is slightly more visible than when it is installed in a gloss finish.

Currently there are 3 options available

1. Supply and fit.

Our trained and experienced mechanics can install frame protection kits here so that your Regulator CX XT 2025 arrives fully protected and ready to ride. We recommend a 48 hour curing period to ensure that the film adheres properly to the frame, so your order will take a little longer to arrive — but it will be well worth the wait.

2. Supply Only.

If you choose to install the kit yourself, we'll provide you with the kit, instructions, and a squeegee. Just select "Supply Only" and your kit will arrive with your bike — there is no delay to dispatch with this option. There are many informative videos online to guide you through installation. We would advise watching these in advance to see if you feel confident to fit the kit. Patience is a must when it comes to installation.

3. N/A.

Choose this option if you would prefer not to have frame protection fitting.

Please note: If no frame protection kit has been designed for the bike yet, no option other than N/A will appear. However, there is a very good chance we may still be able to get one designed or custom templated to fit. If this is of interest, please contact us here and we can look into it as soon as possible.

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So, what's a tubeless setup? Traditionally, inner tubes are inflated with air to create a cushion between the rim and tyre. In contrast, a tubeless setup ditches the inner tube and relies on a specially designed rim with an airtight seal. A self-sealing liquid is added directly inside the tire, and air is pumped through a special valve to inflate the tyre. This allows riders to run lower pressures for better grip and comfort, and the sealant can plug small punctures on the fly, reducing flats.

However, it's important to note that bike manufacturers send their bikes to us in varying degrees of readiness to be set up tubeless. For example, some may supply suitable tubeless-ready tyres, but not the valves or sealant, while others arrive with everything you need. So here at MTB Monster we've checked and answered the following two questions;

Can the Transition Regulator CX E90 2027 be set up tubeless? Yes, this bike can be set up tubeless.

What option do I need to select, if I want the bike setting up tubeless before I receive it?Your bike is set up tubeless from the factory. If you’d prefer inner tubes instead, please let us know.

In the box, you'll find your owner's manuals with your Pre-Delivery Inspection Checklist, signed off by our Cytec qualified mechanic. This details all the checks that have been completed along with an 'Important Information' sheet explaining the advised pre-ride checks to be carried out to ensure the bike is safe to ride and that it will perform at its best. We advise keeping this document safe in case it is required in the future.

We also include a bike battery charger with a UK specific plug for the Transition Regulator CX E90 2027, the relevant allen keys to assemble your bike (normally 2), brake separators to keep your brakes apart whilst the wheel is out of the bike along with any manufacturers manuals, and any extras the brand has included. Some manuals are now only accessible online and paper copies are not included, if you require any assistance accessing manuals for your new purchase please get in touch.

It is worth being aware that bikes are rarely supplied with pedals included. This information will be detailed in the specification of the model you choose. If your bike is not supplied with pedals and you don't currently have any suitable ones, we have a great range on offer here

Any promotional freebies such as an MTB Monster mudguard will also be included in your box.

If you feel you are missing any parts of your kit please contact us within 24 hours of delivery so that we can help.

Showroom Viewing

While we showcase Transition e-bikes and often have the Regulator model on display, we can't guarantee the exact bike you see online will be ready to view at any given time. This is because bikes might be recently sold, boxed in our warehouse, or still with the manufacturer. To ensure you see a specific bike you're interested in, please contact us before your visit & we'll do our best to have it available on the day of your visit or make alternative arrangements.

Can I demo & test ride the Transition Regulator CX E90 2027?

We stock a wide variety of electric mountain bikes (eMTBs) for you to test ride at our showroom in the North-West of England. Our selection features various sizes, brands, and motor options, allowing you to compare different types of eMTBs – from standard models to lightweight ebike options. We offer test rides ranging from quick car park loops to more in-depth demos, tailoring the experience to your needs.

To see whether the Transition Regulator CX E90 2027 is available to view or try out, please contact us & we do our best to arrange something with you prior to your visit.

The Transition Regulator CX E90 2027 is classed as a enduro bike designed for conquering challenging terrain that mixes technical climbs with rough, steep descents. Its superb balance of weight and downhill capability making it a firm favourite with more aggressive riders. .

Like all Electric mountain bikes they can be used on gravel paths and forest tracks, but the bike will really excels on downhill sections with features like drops, jumps, rock gardens, and loose scree. Whether you're racing enduro, hitting the bike park, or tackling a black run, an enduro MTB can handle it all. /p>

Absolutely! All ebike systems are designed from the ground up to live in the harshest conditions of mountain biking. You don't need to be concerned about riding the bike through a British winter, or in fact a British summer. In fact, these bikes are fully rainproof, ready to tackle endless puddles and wet, muddy trails without hesitation. The system utilises automotive grade electric ports and specifically designed covers to protect the system while providing the best weather protection so that you don't need to worry about riding in UK conditions. .

While the Transition Regulator CX E90 2027 is designed with waterproof weather protection at the forefront, we would advise to avoid situations which would submerge the bike for any duration of time and against pressure washing the bike...just like we wouldn’t advise for a regular bike.

Cleaning an ebike is no different to cleaning a regular bike, a brush and hose pressure method is the best way. We advise against using a pressure washer as this often drives water behind seals, washing grease from bearings and also forcing water into electrical components. It's also best to avoid any harsh chemicals or abrasive cleaners as these can damage the finish of the frame and components. MTB Monster offer a range of recommended cleaning products that are designed for ebikes and non-ebikes.

Rider owned since the start, Transition has always made a commitment to best serve riders with the bikes that they want to ride rather than the need to slot into a predefined category. Where fun is the aim, Transition’s answer is GiddyUp, a suspension design designed to behave intuitively. Transition also offers Speed Balanced Geometry, SBG, which ensures low speed agility, front wheel traction and rider weight balance..

Our staff ride Transition’s so if you want to know any details first hand from an owner, let us know and we will be happy to help.

Getting started can seem daunting but there's only a couple of kit items that are essential for a safe and self-sufficient bike ride.

Above all else, a helmet is the most essential piece of kit. It dramatically increases safety when you're out riding. To put this in context, if you visited a UK mountain bike trail centre, you'd be hard-pressed to find anyone riding without one. Rider protection wise, this can be extended to gloves, knee pads and elbow pads depending on type the terrain that you are looking to tackle.

We would always recommend riding with a spare inner tube, tyre levers and pump. Most riders have a story about the time they got caught out with a puncture, usually in horrible weather and miles from the endpoint of the ride, learn from our mistakes :) Additionally, a number of mechanicals can be resolved on the trail with a handy multi-tool, these usually contain a range of hex keys, torx keys and occasionally a chain breaker to help you get to the end of the ride and into a fully equipped workshop.

For any additional advice, feel free to contact us and we'll be more than happy to help.

In the UK, you can ride an ebike anywhere that you would ride a normal pedal bike.

There are no restrictions in trail centres to prevent you from using an ebike anywhere that you would use a regular bike without assistance.

Local to store, we have Longridge Fell, Gisburn Forest and also Darwen Moors & Rivington. Within around an hours drive, you have the Lake District, North Wales, Yorkshire Dales & the Peak District offering a wealth of amazing riding opportunities. If you're ever looking for a route nearby, let us know and we can point out some highlights.

Throughout the wider UK, there are over 20,000 miles of bridleway and over 16,000 miles of national cycle network. Additionally, canal paths, forest roads and cycle lanes all offer a great network to connect your ride and minimise the amount of time that you need to ride on busy roads. A good starting part to find some fun mountain bike specific routes that cater for all abilities are trail centres. These are designed specifically for mountain bikes and are often located through the UK's many forest areas. Some great websites to check out as a starting point are; mbwales.com (Wales), dmbins.com (Scotland), forestryengland.uk/cycling (England) and mountainbikeni.com (Northern Ireland). One of our personal favourite riding spots at MTB Monster, is within the Tweed Valley area in Scotland, where the design of the tracks are simply world class and cater for all abilities.