Product Details

This totally redesigned P.Series gives riders of all sizes a jumping off point to a life on bikes. The lightweight, but tough alloy frame is designed to take all the hits and keep rolling—across all frame and wheel size options. Our approach to these robust bikes centers around delivering a simple, high-quality platform that's versatile for all riders, and packs in category-first features that make a difference to the rider.

SLEEK SIMPLICITY — The latest and greatest levers, adjustment switches, and complex cabling have their place—but not here. For the rider focusing on progression, eliminating every other variable is paramount. Starting with the durable lightweight alloy frame, P.Series stands up to unique demands of a bike that only dirt jump riders know. It’s going to hit the ground. A lot.

SIZED FOR ALL — In such a niche corner of the cycling world, a purpose-built bike like the P.Series used to be available in minimal size options. That’s why we took a step back to design a new range of inclusive sizes. From a 20-inch tire legit dirt jumper to a 27.5-inch category-crossing trail cruiser that can be backflipped.

REIMAGINE YOUR RIDE — Instead of compromising on its heart and soul (flipping and whipping through the air), we expanded its capability. It’s dropper ready, derailleur compatible, and uses adjustable dropouts. You can ride it out your door all the way to the bike park—and make a pitstop to session along the way.

TOUGH TECH — Built with a boost spaced rear end for added stiffness, this burly wheel setup along with tapered headtube, and threaded bottom-bracket make P.Series extremely resilient and easy to maintain. Wrapped in its new 2.1” Kicker tire—but accepting up to a 2.35” trail tire—you’ll find grip and make speed anywhere.

  • Marzocchi Bomber, high performance and tunable.
  • Lightweight and strong single-speed P.Series wheelset.
  • Specialized Kicker tires find grip anywhere, street, dirt, or at the skatepark.

About Specialized
As their motto says, “Made for riders, by riders”. Specialized made the first production mountain bike in 1974, and since then they have been industry leaders. From lightweight carbon race bikes, innovative kids bikes, class leading e-bikes and tyres & accessories, Specialized continue to push boundaries.

FRAME Specialized P.4, A1 Premium Alloy, 27.5", Fully Butted Tubing, Tapered Head Tube, BSA 73mm BB Shell, 12x148TA Sliding Dropouts, Single Speed or Geared Compatible, 52mm CL, Internal cable routing, 30.9 Seat Tube, Dropper Post Compatible, 26" Wheel Compatible
SEAT BINDER Alloy, single-bolt, 34.9mm
FORK
Marzocchi Bomber Z1, 27.5", 100mm Travel, Grip Damper, 1.5 Tapered Steerer, 15x110 Boost, 44mm Offset
STEM Specialized Alloy Trail Stem
HANDLEBARS
Specialized P.Series MTB Dirt, 6061 alloy, 9-degree backsweep, 6-degree upsweep, 38mm rise, 750mm width, 31.8mm clamp
GRIPS Specialized Trail Grips, lock-on
SADDLE Specialized P.series, Steel Rails
SEATPOST Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
FRONT BRAKE Radius CX7, Mechanical Disc, 160mm Rotor
REAR BRAKE Sram Level T, Hydraulic Disc, 160mm Rotor
CASSETTE 13T SS Cog
CHAIN KMC Z1, 1/2x3/32", Single Speed
CRANKSET Specialized P.series, Forged, 24mm Spindle, 52mm CL, 165mm Length
CHAINRINGS 30T
BOTTOM BRACKET BSA 73mm
RIMS Specialized P.Series, 27.5", 32h, 26mm ID, Disc Brake Only
FRONT HUB Alloy, sealed cartridge bearings, 15x110mm thru-axle, 6-bolt, 32h
REAR HUB Alloy, Single Speed, sealed cartridge bearings, 12x148mm thru-axle, 6-bolt, 32h
FRONT TIRE Specialized Kicker Sport, 27.5x2.1"
REAR TIRE Specialized Kicker Sport, 27.5x2.1"
INNER TUBES 26" Inner Tube, SV
* Specifications subject to change without notice.
Crank Length 165
Handlebar Width 750
Stem Length 35
Saddle Width 110
Seatpost Length 200
Chain-Stay Length 385
Wheelbase 1094
Top-Tube Length (horizontal) 636
Bike Stand-Over Height 697
Seat-Tube Length 350
Seat-Tube Angle 72
Fork Rake/Offset 44
Front-Center 711
Stack 588
Reach 445
Head-Tube Length 120
Head-Tube Angle 68.5
B-B Height 318
B-B Drop 34
Trail 91
Fork Length (full) 492
Product Code 91923-5027
Other products by Specialized
$2,900.00
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Product Details

This totally redesigned P.Series gives riders of all sizes a jumping off point to a life on bikes. The lightweight, but tough alloy frame is designed to take all the hits and keep rolling—across all frame and wheel size options. Our approach to these robust bikes centers around delivering a simple, high-quality platform that's versatile for all riders, and packs in category-first features that make a difference to the rider.

SLEEK SIMPLICITY — The latest and greatest levers, adjustment switches, and complex cabling have their place—but not here. For the rider focusing on progression, eliminating every other variable is paramount. Starting with the durable lightweight alloy frame, P.Series stands up to unique demands of a bike that only dirt jump riders know. It’s going to hit the ground. A lot.

SIZED FOR ALL — In such a niche corner of the cycling world, a purpose-built bike like the P.Series used to be available in minimal size options. That’s why we took a step back to design a new range of inclusive sizes. From a 20-inch tire legit dirt jumper to a 27.5-inch category-crossing trail cruiser that can be backflipped.

REIMAGINE YOUR RIDE — Instead of compromising on its heart and soul (flipping and whipping through the air), we expanded its capability. It’s dropper ready, derailleur compatible, and uses adjustable dropouts. You can ride it out your door all the way to the bike park—and make a pitstop to session along the way.

TOUGH TECH — Built with a boost spaced rear end for added stiffness, this burly wheel setup along with tapered headtube, and threaded bottom-bracket make P.Series extremely resilient and easy to maintain. Wrapped in its new 2.1” Kicker tire—but accepting up to a 2.35” trail tire—you’ll find grip and make speed anywhere.

  • Marzocchi Bomber, high performance and tunable.
  • Lightweight and strong single-speed P.Series wheelset.
  • Specialized Kicker tires find grip anywhere, street, dirt, or at the skatepark.

About Specialized
As their motto says, “Made for riders, by riders”. Specialized made the first production mountain bike in 1974, and since then they have been industry leaders. From lightweight carbon race bikes, innovative kids bikes, class leading e-bikes and tyres & accessories, Specialized continue to push boundaries.

FRAME Specialized P.4, A1 Premium Alloy, 27.5", Fully Butted Tubing, Tapered Head Tube, BSA 73mm BB Shell, 12x148TA Sliding Dropouts, Single Speed or Geared Compatible, 52mm CL, Internal cable routing, 30.9 Seat Tube, Dropper Post Compatible, 26" Wheel Compatible
SEAT BINDER Alloy, single-bolt, 34.9mm
FORK
Marzocchi Bomber Z1, 27.5", 100mm Travel, Grip Damper, 1.5 Tapered Steerer, 15x110 Boost, 44mm Offset
STEM Specialized Alloy Trail Stem
HANDLEBARS
Specialized P.Series MTB Dirt, 6061 alloy, 9-degree backsweep, 6-degree upsweep, 38mm rise, 750mm width, 31.8mm clamp
GRIPS Specialized Trail Grips, lock-on
SADDLE Specialized P.series, Steel Rails
SEATPOST Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
FRONT BRAKE Radius CX7, Mechanical Disc, 160mm Rotor
REAR BRAKE Sram Level T, Hydraulic Disc, 160mm Rotor
CASSETTE 13T SS Cog
CHAIN KMC Z1, 1/2x3/32", Single Speed
CRANKSET Specialized P.series, Forged, 24mm Spindle, 52mm CL, 165mm Length
CHAINRINGS 30T
BOTTOM BRACKET BSA 73mm
RIMS Specialized P.Series, 27.5", 32h, 26mm ID, Disc Brake Only
FRONT HUB Alloy, sealed cartridge bearings, 15x110mm thru-axle, 6-bolt, 32h
REAR HUB Alloy, Single Speed, sealed cartridge bearings, 12x148mm thru-axle, 6-bolt, 32h
FRONT TIRE Specialized Kicker Sport, 27.5x2.1"
REAR TIRE Specialized Kicker Sport, 27.5x2.1"
INNER TUBES 26" Inner Tube, SV
* Specifications subject to change without notice.
Crank Length 165
Handlebar Width 750
Stem Length 35
Saddle Width 110
Seatpost Length 200
Chain-Stay Length 385
Wheelbase 1094
Top-Tube Length (horizontal) 636
Bike Stand-Over Height 697
Seat-Tube Length 350
Seat-Tube Angle 72
Fork Rake/Offset 44
Front-Center 711
Stack 588
Reach 445
Head-Tube Length 120
Head-Tube Angle 68.5
B-B Height 318
B-B Drop 34
Trail 91
Fork Length (full) 492