P.4 27.5 Satin Deep Lake / Birch
Thank you!
We’ve received your special order request. We'll be in touch shortly.
- Click n Collect available
- Lifetime warranty on frame
- $150 shipping East Coast of Australia for a Specialized bicycle
- $100 shipping for a Specialized frameset or balance bicycle
- Low stock - 1 item left
- Backordered, shipping soon
Find Your Specialized Bike Size
Specialized P.4 — Dirt Jump / Pump Track / Street
Colour: Satin Cast Lilac / Clay Diffused / Dune White | Wheel Size: 27.5" | Part No.: 91925-5027
Progression only starts when you do. The totally redesigned P.Series P.4 is a tough, low-maintenance dirt jump bike built to take hits and keep you coming back for more. From pump tracks and street spots to jump lines at Finch Hatton, the P.4 delivers simple, confidence-inspiring control so you can focus on going bigger, smoother, and faster.
Why you'll love it
- Sleek simplicity: clean routing and single-speed drivetrain keep maintenance low and focus high.
- DJ-tuned geometry: short rear end, roomy front triangle, and a burly A1 Premium Alloy frame for repeated hard landings.
- Ready to evolve: dropper-ready, derailleur-compatible, with adjustable sliding dropouts.
- Tough tech: Boost 12x148 rear, tapered head tube, and threaded BSA BB for durability and easy servicing.
- Local build + support: professionally assembled and safety-checked by Mackay Cycles.
Perfect for
- Finch Hatton MTB jump lines and pump tracks
- Street and skatepark laps
- Riders who want a no-fuss progression platform
Technical Specifications
Frame | Specialized A1 Premium Aluminum, 26/27.5" compatible, fully butted, tapered head tube, BSA 73mm, 12x148 sliding dropouts, single-speed or geared compatible, internal routing, 30.9mm seat tube, dropper compatible |
Fork | Marzocchi Bomber Z1, 27.5", 100mm travel, RAIL damper, Sweep-Adj, Kabolt 15x110, 44mm offset |
Front Brake | Tektro mechanical disc, resin pads, 160mm rotor |
Rear Brake | SRAM Level T hydraulic disc, 2-piston |
Crankset | Specialized P.Series forged, 24mm spindle, 52mm chainline, 165mm |
Chainring | 30T |
Cassette | 13T (single-speed) |
Bottom Bracket | BSA 73mm, 24mm spindle |
Chain | KMC Z610, 1/2x3/32" |
Rims | P.Series, 32h, 26mm internal width, disc-only |
Front Hub | Sealed cartridge bearings, 15x110mm, 32h |
Rear Hub | Bear Pawl, 6-bolt, 12x148 TA, 32h, single-speed |
Spokes | Stainless, 14g |
Tyres | Specialized Kicker Sport 27.5x2.1" (F/R) |
Stem | Specialized Alloy Trail, 35mm clamp |
Handlebar | Specialized P.Series MTB Dirt, 6061 alloy, 750mm width, 38mm rise, 9° back / 6° up, 31.8mm clamp |
Grips | Specialized Trail, lock-on |
Saddle | Soder Dirt, steel rails |
Seatpost | Specialized 6061 alloy, 2-bolt, 0mm offset, 30.9mm |
Pedals | Specialized platform |
Note: Specifications are subject to change without notice. Actual weights vary by colourway and component tolerance.
Mackay Cycles set-up & support
We’ll assemble, safety-check, and bed-in your P.4, then help dial cockpit setup, tyre pressures, and gearing for Mackay’s local spots—especially Finch Hatton’s jump lines and pump track.
- $150 shipping East Coast of Australia for a Specialized bicycle
- $100 shipping for a Specialized frameset or balance bike
- More info on shipping