Frontier Deore Rigid

Photos for illustration purposes. Please check the bike spec for detailed component listings.

Frontier Deore Rigid

Multi-activity trail bike


Quick, lightweight 29er modern mountain bike with Shimano Deore 1x12 groupset, Rigid Aluminium fork and Sonder Nova wheelset.

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Orderbook opens in 3 weeks for delivery in June.


Frontier is our multi-activity hardtail mountain bike. Ride hard at the trail centre, load it up for a midweek bikepacking trip, pocket your passport and continue around the world. With full rack mounts at the back and multiple boss mounts on the fork, Frontier is an adaptable off-road explorer.

The geometry is for long day comfort but it’s no slouch.

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At a glance

  • Shimano Deore M6100 12-speed groupset
  • Frontier Rigid fork
  • Sonder Nova 27.5+ wheelset
  • 6061 aluminium frame

The 6061 aluminium frame provides a durable and stiff chassis giving a responsive kick as you demand power when the slope steepens or enjoy feedback and precision through the corners.

Available as a fully rigid or with 100mm suspension fork. Set it up for XC race speed or for all day big mile comfort.

Tyre clearance gives you the choice of 27.5+ or 29in wheelsets. Bolt through 148mm boost rear spacing provides the benefit of stronger, stiffer and more efficient wheels.

Why Deore

Shimano drivetrains are designed, engineered and manufactured to work as complete drivetrain systems. Shimano's new microspline hub means that you can run a 10 tooth cassette for a huge gear range. The new EV shifters and brakes provide loads of adjustment to get the perfect position as well as a rock-solid feel on the bars.

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Tuned for all-round capability

Built for a balance of cross country efficiency and trail centre capability. A favourite with bikepackers looking for all-day comfort and performance.

Light and clean

Clean lines thanks to internal cable routing. Frontier also incorporates routing for a dropper seat post. The 6061 aluminium tubing is durable, light, low maintenance and stiff.

Wider tyres. More grip.

Extra width between the chainstays gives you the choice of running 27.5+ tyres up to 3 inches or 29 inch tyres up to 2.5 inches.

Made for stronger wheels

Designed around bolt through Boost 148mm rear spacing providing the benefit of stronger, stiffer and more efficient wheels.

Wilderness trail features

Chainstay mounted disc brakes. And triple bottle mounts.

Build Spec
Frame:Frontier Frame | 6061 aluminium
Fork:Frontier Rigid | aluminium
Headset:FSA Orbit C-40-ACB
Shifters:Shimano Deore M6100 | 1x | 12-speed
Brakes:Shimano Deore M6120 | Hydraulic | Post mount
Rotors:Shimano RT66 | 180mm (front), 160mm (rear) | 6-bolt
Rear derailleur:Shimano Deore M6100 | Long cage | 12-speed
Chainset:Shimano Deore M6100 | 170mm | 32t
Cassette:Shimano XT M8100 | 10-51t | 12-speed
Chain:Shimano SLX | 12-speed
Bottom bracket:Shimano BB52 | BSA
Wheels:Sonder Nova 27.5" UK Made
Tyres:WTB Ranger | 27.5 x 2.8" | Black
Tubes:WTB | 27.5 x 2.8-3.0"
Finishing kit
Handlebars:Sonder Aspect Riser | 78cm
Stem:Sonder Piskie | 55mm
Seatpost:Sonder Seatpost | 31.6mm
Saddle:Sonder Abode | 138mm | Black
Grips:Sonder Clutch | Black
Frame:S: 1.97kg; M: 2.0kg; L: 2.1kg; XL: 2.14kg
Build:S: 12.4kg; M: 12.65kg; L: 13.8kg; XL: 13.9kg
Pedals not included with full builds
Geometry and Sizing


It is important to get the right size bike, if the bike fits you well it will be faster, more comfortable and easier to handle.

Generally we recommend:
Small: Riders between 5ft 2in and 5ft 7in
Medium: Riders between 5ft 6in and 5ft 10in
Large: Riders between 5ft 9in and 6ft 2in
X-Large: Riders 6ft 2in and over

Size Small Medium Large X-Large
ST - Seat tube 380 430 480 520
TT - Top tube 566 602 622 647
HT - Head tube 110 130 130 150
HA - Head angle 68 68 68 68
SA - Seat angle 73 73 73 73
CS - Chainstay 445 445 445 445
BB - BB drop 50 50 50 50
FO - Fork offset 51 51 51 51
WB - Wheelbase 1089 1127 1147 1174.5
SO - Stand over 764 793 825 853
RE - Reach 390 420 440 460
SK - Stack 566 580 594 613
Frame Spec
Frame Weight: S: 1.84kg; M: 1.9kg; L: 1.98kg; XL: 2.03kg
Rigid Fork Weight - uncut: 1kg
6061 Aluminium frame
Optimised for rigid or 100mm suspension forks
Internal cable routing through downtube
Bolt Through Boost 148mm rear spacing for wheel strength and optimal chainline
Fork built around Bolt Through Boost 110mm spacing
Threaded 73mm BSA BB shell for no-creak assembly
Chainstay mounted disc brake for clean lines and damage protection
Triple bottle cage mount on downtube
Use a seat clamp with integrated mounts for pannier rack compatibility
Clearance for 3 inch 27.5+ or 2.5 inch 29er tyres
Reverb Stealth port
Headset: IS42/28.6 | IS52/40
EN 14766 compliant