2025 Specialized Stumpjumper 15 Alloy Full Suspension Mountain Bike
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The 2025 Specialized Stumpjumper 15 Alloy Full Suspension Mountain Bike S4 Satin Cast Blue / Dove Grey is available at the following locations.
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The 2025 Specialized Stumpjumper 15 Alloy Full Suspension Mountain Bike is the entry level version of Specialized's flagship mountain bike. It comes with the control, playfulness and effiencieny of a short travel bike but can still eat up the big bumps. As the quintessential trail bike, Stumpjumper 15 Alloy balances efficiency and optimal bump force management.
This bike’s geometry delivers big bike capability when you need it, a nimble feel in tight sections, and lively, efficient climbing manners. The generous cockpit centers you on the bike, optimizing traction and corner control. The low bottom bracket, slack head tube angle, and optimized fork offset keep things stable in the rough. Six distinct geometry settings allow you to hone performance for any style and any terrain. The head angle and bottom bracket can be fine-tuned for stability or clearance. The bike can be run either with 29 inch wheels front and rear or as a 27.5/29 mullet.
The Stumpjumper 15 Alloy comes with a RockShox Psylo Silver 150mm travel fork, super reliable 12 speed Shimano Deore gearing and Shimano hydraulic brakes and a TranzX Dropper. The S2 size comes with mullet 27.5/29 wheels while the other sizes come with 29 wheels front and rear.
This bike is perfect for
Mountain bikers looking for a trail bike that is efficient to pedal but is still playful and capable of handling big bumps. With 6 different geometry setting s and the ability to run either a mullet or 29/29 setup it can be tuned to suit your riding style.
Key Features
- All-new M5 alloy frame with SWAT door integration
- Ride Dynamics tuned X-Fusion 02 Pro RL shock with adjustable rebound and lockout
- RockShox Psylo Silver fork with Motion Control Damper
- Reliable Shimano MT-420 4-piston brakes
- 12-speed Shimano Deore drivetrain
- Lifetime replacement of suspension pivot bearings to the original owner
Specialized MTB Range Guide
Specialized have been making mountain bikes for nearly as long as there have been mountain bikes. Models like the Rockhopper and Stumpjumper have been staples of the range for decades with the technology being updated and refined every year. The 2022 Specialized mountain bike range has bikes for all kinds of mountain bikers with prices ranging from £500 to over £10,000.
All Specialized mountain bikes are ‘beyond gender’. Although they are technically unisex, Specialized tend to fit more female friendly saddles on the smaller size bikes and more male friendly saddles on the larger bikes. These can easily be swapped out to suit preferences.
Read the full guide to the Specialized MTB Range
Who are Specialized?
Specialized is one of the best-known quality bike brands in the world. Started by a group of riders in 1974. A fact which has guided their decision making ever since.
" Made for riders, by riders."
They strove to make the best quality tires when quality tyres weren't around. When people wanted to ride cruisers in the dirt, they made the first production mountain bike. When roadies wanted to go faster, Specialized doubled down on carbon and built their own wind tunnel.
Bikes like the Allez, Rockhopper and Stumpjumper have developed followings and reputations of their own. Specialized has a reputation for making high-end, high-quality bikes. Specialized bikes always look great with high-quality paint and sensible sizing hel0s you get the right bike each time. If you buy a Specialized bike you can be guaranteed it will do what it is supposed to and will last.
Find our more about Specialized bikes
Mountain Bike Buying Guide
Mountain biking is an incredibly diverse sport. Mountain bikes now come in three main flavours. They are XC, Trail and Enduro.
XC – short for cross country, are quick race bikes. They will normally have 29” wheels and come with 100mm of suspension. If you are mainly going to be riding bridleways and natural trails in the South East of England, where our shops are, an XC bike will be the quickest and most efficient option.
Trail – these bikes are designed to be pedalled up and down hill and for use on bridleways and natural trails, but also at dedicated trail centres. They normally come with 130mm or 140mm of suspension travel and can have either 27.5” or 29” wheels, but 29” is quickly becoming the norm. Trail bikes are good all-rounders. They won’t be as fast as an XC bike on the flat but they can handle a lot more challenging terrain, and a few jumps. If you plan on taking your bike to trail centres in Wales, or to the Alps, then a trail bike may be your best option.
Enduro – enduro racing is a thing in and of itself but many people buy enduro bikes for ‘aggressive’ trail riding and uplift days at places like Bike Park Wales. This generally means challenging downhill trails with some big jumps. With around 160mm of suspension travel enduro bikes can take some big hits. They are designed to be efficient enough to pedal up hills but really come into their own when pointed downhill. You get enduro bikes in either 27.5” or 29” wheel sizes as well as mullet setups of 29 at the front and 27.5 at the back.
Men’s and women’s mountain bikes
Nearly all the mountain bikes we sell are now unisex. All of the big brands have gradually stopped doing dedicated men’s and women’s bikes over the last few years. Instead they are focussed on producing bikes in a bigger range of sizes. So, for instance, the Trek Marlin 5 is a unisex bike that now comes in sizes from XXS to XXL large. This means it will fit riders from 4’ 5” to 6’ 5” and everything in between.
Read our full mountain bike buyers guide
Price Match at Cycles uk
We understand that price is important, so we regularly price-check our competitors to make sure we have the best offers available. We recognise that we will not always be the cheapest, so if you see the same product cheaper from any of our competitors then please get in touch via the form below and we will do our best to match any reasonable advertised price.
| Frame | M5 Alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel |
| Fork | RockShox, Psylo Silver, Motion Control Damper, 15x110 axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel |
| Crankset | Shimano Deore, M6120, 30T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm |
| Chain | Shimano Deore, M6100, 12-speed |
| Cassette | Shimano Deore, M6100, 12spd w/Hyperglide+, 10-51t |
| Shift Levers | Shimano Deore, M6100, 12spd |
| Rear Derailleur | Shimano Deore, M6100, 12pd, Shadow Plus |
| Front Brake | Shimano, BR-MT420, 4-piston caliper, hydraulic disc, 203mm |
| Rear Brake | Shimano, BR-MT420, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm |
| Rims | Specialized Alloy, Tubeless Ready, 29mm internal width, 28h, Front: 29, Rear: S1-S2: 27.5, S3- S6: 29 |
| Front Tyre | Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3 |
| Rear Tyre | Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3 |
| Handlebars | Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S4: 800 width, 30mm rise: S5-S6: 800 width, 40mm rise |
| Grips | Specialized Trail Grips |
| Saddle | Bridge, Steel rails, S1-S2: 155mm, S3-S6: 143mm |
| Seat Post | TranzX Dropper, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm |
| Seat Binder | Alloy, 38.6mm |
| Inner Tubes | Standard, Presta valve |
| Front Hub | Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h |
| Rear Hub | Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h |
| Spokes | Stainless, 14g |
| Stem | Alloy Trail Stem, 35mm bar bore |
| Swat | SWAT internal downtube storage |
| Colours | Gloss White Mountains / Dark Moss Green, Satin Cast Blue / Dove Grey |
| Sizes | S2, S3, S4, S5, S6 |
| Brand | Specialized |
| Model Year | 2025 |
| Barcodes | 196625165191, 196625165207, 196625165221, 196625165238, 196625165245, 196625165252, 196625165269, 196625165276, 196625165283, 196625165290 |
| SKUs / Part Numbers | 93325-7602, 93325-7603, 93325-7604, 93325-7605, 93325-7606, 93325-7702, 93325-7703, 93325-7704, 93325-7705, 93325-7706 |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
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We regularly check our prices against our competitors to ensure that you are getting a good deal. If you find an item cheaper within seven days of purchase, just let us know and ask us to match the price.
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Our partners at Laka provides 30 days of free insurance on all new bikes sold to UK customers. As part of our service, your new bike is automatically covered with 30 days’ FREE insurance against theft and accidental damage.
Comfort Guarantee
Opinions of contact points such as saddles, shoes and grips can vary a lot between different riders. If you buy a contact point from Cycles UK and you don’t find it comfortable, you can return it within 30 days, and we’ll swap it for something else.
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24 Month Representative Example:
Purchase Price (incl. VAT) £750
Deposit £75
Loan Amount £675
Interest/Total Charge for Credit £109.32
Total Amount Repayable £859.32
Balance Payable £784.32
By 24 Monthly Repayments of £32.68
15.9% APR Representative
Bank rate of interest 8.1% PA fixed
Please note the above quotation is an indicative cost and actual monthly payments may vary.
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