Mark2 X-Cross 450+ Comfort Hybrid 17.7" frame Step Through Electric Bike 250W

£1,999.00

Sale Sold out

Fast Delivery Available

Battery Size 375Wh 460Wh

In stock

Own every ride. Comfort meets control.

Step up your cycling game with the Mark2 X-Cross 450+—a premium step-through electric hybrid bike built for effortless cruising and everyday performance. With a powerful rear hub motor, smooth Shimano 10-speed drivetrain, and comfort-focused components throughout, this best-selling eBike delivers a ride that’s as enjoyable as it is reliable. Whether you’re gliding through the city or coasting through the countryside, the X-Cross 450+ is ready to roll.

Top Features at a Glance

375Wh or 460Wh Removable Battery – Up to 60 miles of range for daily rides or weekend escapes
Shimano Tiagra 10-Speed Gearing – Smooth, responsive shifting you can trust
250W Rear Hub Motor – Powerful and whisper-quiet with 45Nm of torque
Suntour Suspension Fork – 63mm travel with lockout for added comfort and control
Ergotec Swept-Back Handlebars – Upright riding posture for relaxed cruising
Schwalbe Marathon Tyres – Puncture protection with everyday durability
Hydraulic Disc Brakes – Confident braking power in all weather conditions

Sizing

Rider suitability: inside leg measurement 28" - 35" (71cm - 89cm) and 18st 12lb (120kg) max weight (including luggage).

Specifications

Electrics

Motor: 250W / 36V / 45Nm torque Promovec rear hub motor with 3 year warranty

Torque: 45Nm regulated to 15.5 mph

Battery: Removable 36V Promovec Li-ion smart memory power pack (Standard 375Wh 10.4Ah or Long Range 460Wh 12.8Ah), can be charged on or off the bike. Supplied with charger (charge time 4-6 hours from flat).

Battery life: 3 year 70% minimum capacity warranty

Range: 36-100km (22-60 miles) range dependent on power pack size and level of pedal assistance

Controller: Walk assist and boost throttle

Display: Backlit mini LCD display with 5 levels of power assist, battery level, speed and distance indicators

Frameset

Frame: 45cm (17.7”) lightweight Mark2 6061 aluminium alloy frame with 5 year warranty

Fork: Suntour XCM LO front suspension fork with 63mm travel and manual lock out

Size: inside leg measurement 28" - 35" (71cm - 89cm) and 18st 12lb (120kg) max weight (including luggage)

Drivetrain

Gear Derailleur: Shimano Tiagra

Cassette: 10 speed cassette 12-28T

Chain set: 44T steel chainring

Brakes

Brakes: Shimano hydraulic disc brakes

Rotors: 160mm front and rear rotors

Wheels

Tyres: Lightweight alloy wheels (front quick release) with 700x42 Schwalbe Marathon GreenGuard tyres

Components

Handlebar: Ergotec swept back comfort alloy handlebar

Saddle: Oxford plush comfort gel saddle with alloy quick release clamp

Side stand

Integrated LED lighting: Front high output AXA Echo 30 Lux (50 metres 'to see’ and 3000 metres 'to be seen’), Rear AXA Slim Steady (600 metres ‘to be seen’)Assembly: 99% - attach pedals, straighten / tighten handlebars

Weight

Battery: 2.4kgs

E-bike: 19.7kgs

Total: 22.1kgs

Warranty

Battery: 3 year 70% minimum capacity

Motor: 3 year

Aluminium alloy frame: 3 year

Delivery

Free UK mainland delivery on all orders over £500 within 3 to 5 working days with full Pre Delivery Inspection (PDI) checks carried out. Some bikes are built to order (specifically Scrambler CL and CX) and this may add another 1-2 weeks to the lead time. Off mainland delivery is also available and we quote on request.

For the purposes of clarity, Saturday and Sunday, as well as any UK national holidays & bank holidays are not classed as working days.

Returns

Our policy lasts 30 days from when you receive your order. If 30 days have gone by since you received your purchase, unfortunately we can’t offer you a refund or exchange.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging and returned within 10 days from when you notify us that you wish to cancel your order and return your purchase.

Only regular priced items may be refunded, unfortunately sale items cannot be refunded. Please note that shipping charges apply to refund upon return of your item and any damage will also result in reduced refund. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Please contact us before returning your item so we can provide you with return labels and a collection booking with our dedicated courier to ensure the safe return of your item/s.

About Us

E-bikes and accessories for all needs and desires is our goal here at Straight Spoke.

Be it for commuting, school runs, leisure, adventure - we aim to provide a model for every preference in our online shop.

We started our journey as cycling enthusiasts ourselves, and decided to join the efforts of like-minded people focused on promoting health, fun, and looking after our environment for generations to come.

Our Story

Our cycling fascination began when we moved to Cambridge, UK and immediately embraced the ethos of this city, with bicycles lining every street, path, alleyway and even the surrounding woods.

The more we wanted to explore the more obvious it became that we needed to match our speed and endurance, so pedal assisted bikes were the way to go.

We became increasingly fascinated with all the various options out there, hence our online e-bike store was born.

Our Vision

We take responsibility for our legacy and focus on a future when people no longer rely on fossil fuels to power their means of transportation.

As early adopters for electric cars as well, from back in the day when fully electric cars were so rare on the roads that drivers would salute each other when driving by, we take pride in doing our bit for the environment.

We turn off the tap when we brush our teeth. We use rain water for the garden, since there's plenty of that in the UK. And we promote electric bikes as a means to stay healthy and fit, enjoying the outdoors for longer.

Why Choose Us

We are straightforward and straight spoken.

Honesty and transparency are vital for building and maintaining trust in the online world. We promote that in all interactions with our partners and customers.

As a family, we understand everyone has different needs, so we look to meet each customer where they are on their cycling journey. A light-weight, easy to manoeuvre step-through for a petite 5'2, an all terrain fast bike for the strong outdoorsy adventurer, an e-trike for balance concerns, a fat tyre bike simply because it's likely the coolest thing ever invented.

Straight Spoke is more than just an online e-bikes retailer. It's a way of life.

We started within the Cambridge community, and now our spirit has UK-wide reach. Via our network of suppliers and couriers we manage the delivery of products from UK warehouses directly to your doorstep.

Connect with our vision

We are grateful for your interest in our website and the e-bikes world in general. Should you find anything useful in our FAQ, blog, or product descriptions, or have any questions, please get in touch, we love chatting with like-minded enthusiasts on our live chat.

You can also call us on 0333 0505 707, and we are just an email away at info@straightspoke.com

We also love receiving good old-fashioned letters via post at The Keep, Creech Castle, Taunton TA1 2DX where our legal company FRUITFUL RETAIL LTD is registered under company number 15672371.

FAQ

General

Can I ride an electric bike on the roads if I don't have a driver's license?

Yes, anyone over 14 years of age is allowed to ride e-bikes on roads without license, road tax or registration.

Is it legal to ride electric bikes on the roads in UK?

We sell only road legal e-bikes, which generally refer to electrically assisted pedal cycles with an electric motor power output of maximum 250 watts, reaching a maximum speed of 15.5 mph when the motor is engaged. Any bikes exceeding these numbers will be subject to regulations.

Orders & Payment

What payment options do you offer?

All available payment options are visible during checkout.

Can I still use my discount code after I have completed my order?

Discount codes can only be applied before completing an order, during the checkout process.

Can I cancel an order I have already placed?

An order may be cancelled or amended before dispatch, however after dispatch the buyer will be liable for the return courier cost.

Delivery & Returns

What countries do you deliver to?

At this time we ship to UK addresses only.

Do you offer free delivery?

Yes, we offer free delivery on orders over £500, and during certain promotional periods. All discounts are made clearly visible on our website, and during the checkout process.

Product Specific

Please refer to individual product descriptions for any technical questions.

Is it safe to ride an electric bike in the rain?

Yes, the products we sell are safe for riding in the rain and going through puddles. Please take care with electrical parts when cleaning, power washers are not advised for any bike.

Can I ride my e-bike like a regular bicycle?

Yes, electric bikes can be used as conventional push bikes, engaging the motor for assistance only in certain instances, like climbing a hill, for example.

Do I have to remove the battery for charging?

Please refer to individual product descriptions. If in doubt, drop us a message.

View full details

Mary S.

★ ★ ★ ★ ★

Super helpful team and easy-to-use site!The website is clean and easy to navigate, with all the info I need right there. I had a few questions and reached out to customer service—they got back to me quickly and were super friendly and helpful. Definitely feeling confident about buying my e-bike here soon!

Poppy V.

★ ★ ★ ★ ★

Great first impression!I’ve been browsing around for an electric bike and came across this store—really glad I did. The website’s super easy to use and made comparing models a breeze. I reached out with a couple of questions and the support team was awesome—quick replies and really knowledgeable. Can’t wait to place my order soon!

Popular choices

Step-through are the choice electric bikes for leisurely rides, as well as commuting, for comfort, convenience and style, at any age. Order today for free delivery over £500!