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2023 Mason

RAW GX AXS

A 29″ steel frame hardtail trail bike with high-end components.
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Manufacturer Price

£4,695($6,297)
Weight5.6 lbs (frame)  
FrameSteel
SuspensionHardtail, 120mm
ForkRockShox SID Ultimate
Wheels29″ Aluminum
Drivetrain1 × 12 Electronic
GroupsetEagle AXS, GX Eagle AXS
BrakesHydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
RAW GX AXS
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

RAW GX AXS

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full RAW model range

View Comparison
Sizing
SM

5'3" – 5'7"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'6"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews

Summary

The Mason RAW is a high-end steel hardtail designed for trail riding, bikepacking, and multi-day adventures, offering a smooth, efficient, and lively ride quality. Its geometry is dialed for stability and comfort, with high-end materials and meticulous UK fabrication. While it excels in versatility and ride quality, its premium price reflects its bespoke construction and features.

Pros
  • High-end steel tubing for durability and performance

  • Dialed geometry for trail riding and bikepacking

  • Smooth and efficient ride quality

  • Multiple accessory mounting points for versatility

  • Lightweight frame with excellent build quality

Cons
  • Premium price point

  • Limited rear rack compatibility

  • May feel harsh on very rough terrain

Key Quotes
The Mason RAW is smooth and lively, rides in a heavier weight class than Mason originally intended, and might just be the closest thing I’ve experienced to the infamous forever bike we’re all searching for.
BIKEPACKING.com
If you're looking to build the, want a steel frameset designed and built in the UK with truly fanatical attention to detail that delivers an outstanding ride to match, the Mason offers an interesting proposition with its new Raw.
Bike Perfect logoBike Perfect
The RAW is top of its class.
off.road.cc logooff.road.cc

Feedback?

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BIKEPACKING.com
Mason RAW Review: High-Caliber Hardtail

Aug 2023 · Miles Arbour

Find our long-term review of the Mason RAW after countless unloaded rides in the Pacific Northwest and bikepacking trips in Idaho and beyond

Highs
  • European/UK materials and fabrication using high-end Dedacciai and Reynolds tubing

  • Dialed geometry for trail riding, bikepacking, and multi-day epics

  • Smooth and efficient ride quality makes climbing, descending, and cornering a joy

  • High-end details, rack mounts, downtube mounts, and top tube mounts

  • Lots of frame bag space thanks to higher standover height

  • Lightweight frame and build kits are well-specced for long rides

Lows
  • Expensive, but justifiably so given local manufacturing, cost of materials, and overall quality

  • No sliding rear dropouts

  • Near-vertical seat stays might make it a little harsher than some other frames

  • No proper rear rack bosses at rear dropouts, although hidden removable ones work

  • Wouldn’t choose Hunt Proven carbon XC wheels for bikepacking

Read Review

off.road.cc
Mason RAW Review

May 2022

Mason delivers its first mountain bike frame with the RAW - a steel hardtail with bespoke levels of design and manufacturing detail. The Raw is aimed at long-distance fast off-road riding and offers an engaging, supple ride feel. The RAW is top of its class. The best gravel and adventure bikes you can buy for under £2,000 Factor blasts into the mountain bike market What is downcountry?

Read Review

Bike Perfect
Mason Raw MTB first ride review

Nov 2021 · Guy Kesteven

The new Raw MTB frame from UK fast/far artisans Mason is a steel masterpiece but at what price?

Highs
  • Beautifully bright and alive ride vibe

  • Taut under power but still shrugs off slaps

  • Stable for security but never dull

  • Totally custom-tuned tube sets

  • Superb Scottish build and paint quality

  • Fully corrosion proofed

  • Loaded with bike packing features

  • Big tire clearances

Lows
  • Price

Read Review

Bikerumor
Prototype: Mason RAW steel adventure MTB & Hunt dynamos

May 2021 · Cory Benson

This Mason RAW prototype is a steel MTB adventure hardtail coming soon to bikepacking near you, combine with new Hunt Carbon Dynamo wheels!

Read Review

Geometry
Specs
Build
Frame

Full UK construction, custom shaped and formed Dedacciai Zero/Uno & Reynolds steel tubeset.

Tire Clearance2.6"

ColorsFilteryellow; Sensorblue; Vela; Opticgreen

Fork

RockShox SID Ultimate 120mm.

Travel120mm

Headset

Deda EC/ZS44mm sealed bearing headset.

Stem

Ritchey Trail WCS.

Handlebar

Renthal FatBar 2

Saddle

Fizik Terra Argo X3.

Seatpost

PNW Loam 31.6 dropper post.

TypeDropper

Grips

Ergon GA2.

Groupset
Rear Derailleur

SRAM GX AXS Eagle Wireless.

Crank

SRAM GX Eagle Alloy 32T Chainset.

Shifters

SRAM GX AXS Eagle Wireless.

Cassette

SRAM XG-1275 10-52T.

Chain

SRAM GX Eagle 12spd.

Brakes

Hydraulic Disc

TypeHydraulic Disc

Wheels
Rims

Choice of HUNT MTB wheelsets.

Tires

Choice of Maxxis, Schwalbe and Vittoria.

Rider Notes
Riders Also Viewed

First added February 4

Last updated May 25

Not listed for 734 days