Boardman MTR 8.6 Mountain Bike 2026 - Trail Full Suspension MTB

The Boardman MTR 8.6 blends a confident alloy frame, 130mm Suntour suspension and a RockShox rear shock with 10-speed MicroSHIFT gearing to deliver smooth, stable performance on varied and challenging trails.
Key Features:
- 6061 alloy full-suspension frame with long/slack trail geometry
- Suntour XCR34 Boost fork with 130mm travel
- RockShox Deluxe Select rear shock, 120mm travel
- microSHIFT Advent 1x10 drivetrain with wide 11-48T range
- Tektro HD-280 hydraulic disc brakes, 180mm rotors
- 29" alloy wheels with Maxxis Rekon & Forekaster tyres
- Dropper-post ready design for added trail confidence
- Available with 0% APR finance
The MTR 8.6 is built around a 6061 alloy frame shaped for stability on steeper, rougher trails while still keeping the bike efficient on climbs. A longer top tube, slacker head angle and steeper seat tube all work together to improve balance, traction and control, especially when riding more technical terrain.
Up front, the Suntour XCR34 Boost fork provides 130mm of supple, adjustable travel, giving you confidence when the trail gets rocky or rutted. At the back, the RockShox Deluxe Select shock smooths out impacts and maintains rear wheel grip, helping keep the bike composed whether you’re navigating roots or tackling fast descents.
The MicroSHIFT Advent 10-speed drivetrain brings simple, dependable shifting with a clutch rear derailleur to keep the chain under control. Paired with an 11-48T cassette and a 32T chainring, the gearing covers everything from steep climbs to steady fire road cruising.
Tektro HD-280 hydraulic disc brakes with 180mm rotors deliver consistent stopping power, helping you stay in control on wet or loose surfaces. Rolling on 29" wheels, the bike uses a Maxxis Rekon front and Maxxis Forekaster rear tyre—both 2.4" wide—to balance grip, rolling speed and predictable handling across mixed conditions. The rims are tubeless compatible too, giving you an easy upgrade path for extra comfort and puncture protection.
A wide Boardman alloy handlebar paired with a short 45mm stem gives precise, confidence-inspiring steering, while the bike’s dropper-post routing makes it simple to add even more control for steep descents. The Boardman MTB saddle and a choice of bar widths across sizes help ensure a comfortable fit from the first ride.
Designed to offer performance and confidence on a range of trails, the MTR 8.6 combines durability, control and rider-friendly handling in a capable full-suspension package.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Full suspension, 6061 alloy |
| Fork | Suntour XCR34-Boost, with 130mm travel |
| Rear Shock | RockShox Deluxe Select |
| Headset | FSA No.42 ACB-A |
| Stem | Boardman Alloy, 45mm |
| Bars | Boardman Alloy, 31.8x760mm(S) 780mm(M,L,XL) 15mm rise |
| Front Brake | Tektro HD-280 hydraulic, 180mm disc rotor |
| Rear Brake | Tektro HD-280 hydraulic, 180mm disc rotor |
| Rear Mech | microSHIFT ADVENT RD-M6205GM-B, with clutch |
| Shifters | microSHIFT ADVENT, SL-M9605-R, 10 speed |
| Speed | 10 |
| Rims | Boardman alloy 29", double wall, tubeless compatible |
| Front Hub | 15mm thru-axle |
| Rear Hub | 12mm thru-axle |
| Front Tyre | Maxxis Rekon 29"x2.4" |
| Rear Tyre | Maxxis Forekaster 29"x2.4"( |
| Seat Post | Boardman Alloy, 31.6x350mm(S,M) 400mm(L,XL) |
| Saddle | Boardman MTB |
| Chainset | Prowheel Charm, 32T, 170mm(S) 175mm(M,L,XL) |
| Bottom Bracket | Prowheel, square taper, sealed cartridge, 113mm |
| Chain | KMC X10, 10 Speed |
| Cassette | microSHIFT CS-H104, 10 speed, 11-48T |
| Pedals | Alloy, Flat |
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Boardman MTR Size Chart
|
Size |
Height (cm) |
Height (inches) |
Inside Leg (cm) |
|
S |
162 – 170 |
5’4” – 5’7” |
72 – 82 |
|
M |
168 - 177 |
5’6” – 5'10” |
74 - 85 |
|
L |
175 - 185 |
5’9” – 6’1” |
78 - 89 |
|
XL |
183 - 195 |
6’0” – 6’5” |
82 - 94 |
What size frame do I need if I am between sizes? - read here
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