Let's get something clear, the Stumpjumper Evo alloy 27.5 isn't a "normal" trail bike.

Specialized

2020 Specialized Stumpjumper EVO Alloy 27.5 Mountain Bike Frame Grey

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Hassle-free Returns

Returns: If your order is broken or spoiled when it is delivered, then you should notify us as soon as possible or in any case within 7 days of delivery. You will have the option of returning the whole order or just the affected items.You can notify us by email at cycles@stows.co.uk or by post by writing to Stows Cycles, 72 High Street West, Slough, Berkshire, SL1 1EL or calling us on 01753 520 528.

We will happily exchange the goods or issue a refund.

All refunds under this returns policy will be paid within 14 days of you notifying us, providing that the merchandise has been returned.

Any items being returned must be unused and in their original packaging to prevent any further damage.

Cancellations: You can cancel an order at any time up to 14 days from the date of delivery, as long as the items remain unused and intact, by contacting us via email on cycles@stows.co.uk or by writing to Stows Cycles, 72 High Street West, Slough, Berkshire, SL1 1EL.

We will reimburse the price of the items within 7 working days of receiving the goods back.

Refunds will only be returned to the original payment method.

You are responsible for returning the items safely to us. Any items being returned must be unused and in their original packaging and in a resalable condition.

You are responsible for the cost of returning the goods and suggest that you use a signed for service to have proof of returns.

Your rights to return goods are protected under the EU Distance Selling Directive which can be found at Gov.UK

2020 Specialized Stumpjumper EVO Alloy 27.5 Mountain Bike Frame Grey

Season : 2020

Brand : Specialized

Code : 271082280041

Weight : 10KG

It's built to get gnarly and there's no real way around that. It has a slacked-out front-end and a longer top tube so the evo has heavier steering and exceptional front-end traction that begs you to do cutties and boost every lip. And with the perfect blend of responsiveness and stability that 27.5-inch wheels are known for you'll be shredding the gnarliest lines in no time. When the goin' gets rowdy the rowdy get goin'.

What exactly is the Evo for? Evo is for the shredders, the gnarliest trail riders who live for gravity riding. Big drops, huge kickers, rocks, roots; whatever you throw at it the Stumpjumper Evo can handle it. Evo uses the same style-specific sizing that's featured on the Demo. This sizing lets you choose the bike that fits the way you ride, not just by the seat tube measurement like with most bikes, and it narrows things down to two sizes; s2 and s3. These are longer, lower, slacker and have seat tube and head tube heights that allow you to choose the size that best suits your style and terrain.

The other design goal was simple - build the ultimate trail bike. One that feels telepathic. And it turns out that this feeling all comes down to stiffness. Think of it this way: when the frame's telling your hands one thing and your feet another your brain gets confused with the imbalance and the bike feels unstable. In order to fix this Specialized had to get to work on dialing-in the materials and shapes.

They started by creating their own mountain-specific stiffness test and then look at the layout with finite element analysis (fea) to see where they could get the biggest stiffness improvements. This led to a big discovery: the large and x-large frames needed more front-end stiffness while the smalls and mediums were just fine. They were able to create a frame design that was 20% more efficient. And in the end this proved to be one of the lightest trail frames on the market today.

When designing the frame with the stiffness targets being a main goal they developed a radical new sidearm design. The front-end and rear-end are connected at three points and the sidearm helps keep all these points super stiff and connected, all while taking about 100 grams out of the rear-end. More explicitly this minimizes frame flex when the rear suspension is active.

They continued down the suspension path with a custom rx trail tune on both the fork and rear shock. Suspension performance is highly dependent on frame wheel and rider size so they use their rx tune to get each bike to land in the middle of the adjustment spectrum and this gives you the biggest possible range to fine-tune your ride. Another focal point of the tune was matching the suspension characteristics between wheel sizes; they developed a specific rx tune for each platform. So no matter what wheel size you prefer you'll get perfectly linear suspension.

Steps were also taken to make this bike easy to live with. Threaded bottom brackets make a triumphant return and they made room for up to a 3.0" tire. You're also free to run whatever aftermarket rear shock you want since using standard metric shocks. And customization is furthered with a flip chip that lets you to dial-in your stumpy to your riding style. Switch it from high to low and it drops your bottom bracket 6mm and slackens the head tube by half-a-degree. Little details also jump out to surprise you like a newly designed ribbed chainstay protector that makes chain slap a thing of the past and nearly silences the drivetrain.

Technical Information
Technical Information
Sizing Information

Mens Mountain Bike Sizing Guide

The Following chart should help you to choose the right size of Mountain bike you need based on your height.

This is a guide so always check the manufacturer’s measurements too. You can also visit us in store to speak to an experienced member of staff at Stows Cycles

Rider Height

Frame Size

Feet & Inches

Centimetres

Frame Size (inches)

Frame Size

4'10" - 5'2"

148cm - 158cm

13" - 14"

X-Small

5'2"" - 5'6""

158cm - 168cm

15" - 16"

Small

5'6" - 5' 10"

168cm - 178cm

17" - 18"

Medium

5'10" - 6'1"

178cm - 185cm

19" - 20"

Large

6'1" - 6'4"

185cm - 193cm

21" - 22"

X-Large

6'4" - 6'6"

193cm - 198cm

23" - 24"

XX-Large

 

Men's Road bike sizing guide

This handy road bike sizing chart should show you the average size of road bike you need based on your height.

This is a guide only, always check the manufacturer’s measurements too. You can also visit us in store to speak to an experienced member of staff at Stows Cycles

Rider Height

Suggested Road Bike Size

Feet & Inches

Centimetres

Frame Size (cm)

Frame Size

4'10" - 5'0"

148cm - 152cm

47cm - 48cm

XX-Small

5'0" - 5'3"

152cm - 160cm

49cm - 50cm

X-Small

5'3" - 5'6"

160cm - 168cm

51cm - 53cm

Small

5'6" - 5'9"

168cm - 175cm

54cm - 55cm

Medium

5'9" - 6'0"

175cm - 183cm

56cm - 58cm

Large

6'0" - 6'3"

183cm - 191cm

58cm - 60cm

X-Large

6'3" - 6'6"

191cm - 198cm

61cm - 63cm

XX-Large

 

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