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Specialized Stumpjumper Range Guide - Which Model To Buy in 2021?

   Words by Tom Worsfold

   on 14/10/2020 14:07:00


Specialized Stumpjumper 2021 - Range Guide

Written by: William Crump

For years, this full suspension, trail devouring machine has always been a force to not be reckoned with. This year, Specialized has upped their game and made their Stumpy stiffer, more tuneable and a lot lighter! If you want a capable trail bike that you can take to your local bike park or to the peaks then this really is The ultimate trail bike!

Shop Stumpjumper >

Overview - What sets it apart?

Discipline: MTB

Usage: All-mountain

Models: 2 frame variations, 29 inch or mullet conversion, 14 models


  • - Pivotless Seatstay/ Chainstay for increased stiffness
  • - Re-designed rear shock mounts
  • - Top components
  • - Highly versatile for its intended use
  • - Ability to tweak geometry to match your needs

New For 2021

For 2021, we see the Stumpjumper continuing its tradition of using an asymmetrical sidearm design, as seen in previous years. However, small adjustments have been made to the shape of the frame which has several benefits to the feel of the bike. The main difference you will feel is that the carbon frame is lighter than the previous years and that the bike will feel a lot stiffer thanks to redesigned sidearm strut and mounting points for the rear shock. 2021 also sees a pivotless seatstay/ chainstay on the carbon models - all of which enhances pedalling efficiency due to the rear being one piece.


The rise of the Mullet. In the Stumpjumper EVO range, riders can now experience a modern mullet machine. The Stumpjumper EVO LTD is equipped with a 29er upfront for more traction and better handling whilst the rear is equipped with a 27.5inch wheel for the moments when you feel a bit more daring and playful. The concoction of the mullet allows for a super fun riding style - both at home in a bike park and away on the trails. This is a bike that will send you home with a big smile on your face and the satisfaction that you have achieved something!

The Framesets

The flip chip is here to stay in 2021 with even bigger benefits! For the best experience on the trails - the Stumpy EVO has 6 different geometry settings. The Ultimate trail bike just got even better. A horst link mounted flip chip allows the rider to tune their bike to anywhere between 63 and 65.5 allowing them to climb or descent through any trails in the Peaks that they wish. Riders also have the option to adjust the bottom bracket height on their Stumpy - a higher BB means less rockstrikes and a more lively bike. In opposition, a lower BB means the bike's centre of gravity is lower allowing the bike to feel more planted when the going gets tough.

Specialized also has kept their SWAT™ door storage system in the downtube of their frames which proved very popular in the MTB community. In the EVO model, the downtube has increased in size allowing for EVEN more storage for all the necessities you need whilst out on the trails.


S-Sizing Guide:

S sizing is still quite a new concept when it comes to sizing and it has been introduced further into the Stumpjumper range this year. What matters the most to a Mountain bike rider is rider size and style of riding. If you’re the rider who likes a more playful and maneuverable bike, you might want to consider a smaller S-size might be better for you thanks to the shorter reach. However, if you prefer a trail bike that's more stable and wants to carry its speed then a larger S-size would suit your needs best. Equally, if you rode a Medium beforehand, the equivalent size would be S3 which gives you a nice balanced bike capable of tackling any trail you want to hit.

Advantages of a 29er

Long gone are the days when riding a 29er was a new concept - they’re here to stay! Stumpjumpers have now advanced onto 29 inch wheels only with the only exception being the EVO LTD which comes stock as a mullet. 29ers allow riders to plough through rough and rocky terrain without losing any speed or momentum due to its enhanced traction. If you’re after Strava KOM’s then these bikes will push you to your absolute limits and that's when you shall start receiving the faster times.

The Models - A Breakdown



The go to trail bike, and for many the best – capable geometry, lightweight and versatile. The regular version of the Stumpjumper is made for everyone, but is by no means a boring ride. Throw the numbers in a spreadsheet and you will be met with fun, user friendly geometry that is aggro enough to keep you upright when the trail gets steep but won’t spoil an all-day climbing epic.

RX Tune suspension is perfectly paired with the bike’s kinematics, ensuring you have the ability to fine tune and get the most out your ride. Nothing is an afterthought when it comes to the Stumpjumper’s suspension, with a zero-compromise approach leading to supple suspension that also takes the hits.


Specialized Stumpjumper Alloy 29 2021

Featuring an M5 Alloy frame at an affordable price, this full suspension machine is the perfect gateway into trail riding!

  • Frame - Alloy Chassis and Rear end, Asymmetrical design with Horst Pivot BB Adjustment
  • Fork - Rockshox 35 Gold, 140mm Travel, Solo Air, 44mm Offset, 15x110mm Boost™
  • Drivetrain - SRAM SX Eagle, 12 Speed
  • Brakes - Tektro Gemini Comp, Hydraulic disc (200/180)
Shop now

Specialized Stumpjumper Comp 29 2021

With redesigned Kinematics, this Alloy machine is capable of tackling any trail thanks to its perfect blend of components.

  • Frame - Alloy Chassis and Rear end, Asymmetrical design with Horst Pivot BB Adjustment
  • Fork - FOX FLOAT 34 Rhythm, 140mm, 44mm offset, 15x110mm Boost™
  • Drivetrain - SRAM NX Eagle, 12 Speed
  • Brakes - SRAM G2-R, 4 Piston Caliper (200/180)
Shop now

Specialized Stumpjumper Carbon Comp 29 2021

The first of the Carbon bunch… This Specialized is made for riders who want awesome handling from a uniquely tuneable, stiff frame.

  • Frame - FACT 11m Carbon chassis and rear end, SWAT™ Door integration
  • Fork - FOX FLOAT 34 Rhythm, 140mm, 44mm offset, 15x110mm Boost™
  • Drivetrain - Shimano SLX M7100, 12 Speed
  • Brakes - Shimano SLX M7120, 4 Piston Caliper, Hydraulic disc (200,180)
Shop now

Specialized Stumpjumper Expert Carbon 29 2021

Specialized's Stumpjumper Expert 2021 builds on the heritage the brand had set before giving a full sus MTB bike that is agile, lively and in-tune with the trail.

  • Frame - FACT 11m Carbon chassis and rear end, SWAT™ Door integration
  • Fork - FOX FLOAT 34 Performance Elite, GRIP2 Damper, 15x110mm, 44mm Offset, 140mm Travel
  • Drivetrain - SRAM X01 Eagle, 12 Speed
  • Brakes - SRAM G2 RSC, 4 Piston Caliper, Hydraulic disc (200/180)
Shop now

Specialized Stumpjumper Pro 29 2021

The all-new Stumpjumper Pro brings a whole new meaning to the Trail Bike with class-leading weight and new suspension kinematics that makes climbs an ease, and descents, well why don't you find out yourself. This carbon crusader really holds all the cards.

  • Frame - FACT 11m Carbon chassis and rear end, SWAT™ Door integration
  • Fork - FOX FLOAT 34 Factory, GRIP2 Damper, Kashima Coating, 140mm travel, 44mm offset, 15x110mm
  • Drivetrain - SRAM X01 Eagle, 12 Speed
  • Brakes - SRAM G2 RSC, 4 Piston Caliper, Hydraulic disc (200/180)
Shop now

Specialized S-Works Stumpjumper 29 2021

Branded as 'The Ultimate Trail Bike', the Specialized S-Works 2021 Stumpjumper packs a punch with everything you could possibly ask for from a full suspension, dirt-shredding machine.

  • Frame - FACT 11m Carbon chassis and rear end, SWAT™ Door integration
  • Fork - FOX FLOAT 34 Factory, GRIP2 Damper, Kashima Coating, 140mm travel, 44mm offset, 15x110mm
  • Drivetrain - SRAM XX1 Eagle Eagle AXS
  • Brakes - SRAM G2 ULTIMATE, 4 Piston Caliper, Hydraulic disc (200/180)
Shop now

Stumpjumper EVO


Released in 2019 to universal acclaim, the Stumpjumper EVO is Specialized’s answer to the “one bike to do it all” conundrum, if you like to get rowdy that is! The EVO pushes the envelope when it comes to trail bike geometry, with an incredibly slack 63 degree head angle and long reach measurements to match.

This is a bike that truly excels when the riding is steep and technical – the harsh gradients of Pleney’s off-piste, or the chunkiest of welsh descents. This is a bike designed to keep you in control when the trail turns nasty.


Specialized Stumpjumper Evo Expert 29 2021 Mountain Bike

Total control, bump-eating suspension, and a fine-tunable geometry make up the hallmarks of the all-new Stumpjumper EVO Expert. Top it off with a build that blends quality, affordability, and durability, and it’s the perfect candidate for your new trail partner.


  • Frame: FACT 11m carbon chassis and rear-end
  • Fork: FOX FLOAT 36 Performance Elite
  • Shock: FOX FLOAT DPX2 Performance Elite
  • Drivetrain: Sram X01/GX Eagle, 12-speed
  • Brakes: SRAM Code RS, 4-piston caliper
  • Shop now


Specialized Stumpjumper Evo Comp 29 2021 Mountain Bike

Combining Shimano's bulletproof SLX 12-Speed Drivetrain and alloy wheels with Specialized FACT 11m carbon frame, you're met with the natural trail crusher that is the Specialized 2021 Stumpjumper EVO Comp.


  • Frame: FACT 11m carbon chassis and rear-end
  • Fork: FOX FLOAT 36 Rhythm
  • Shock: FOX FLOAT DPX2 Performance
  • Drivetrain: Shimano SLX, M7100, 12-speed
  • Brakes: Shimano SLX M7120, 4-piston caliper
  • Shop now

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