Slash 8 Gen 6
OverviewAbout the Trek Slash 8 Gen 6
The Trek Slash 8 Gen 6 is a mountain bike, built on a aluminium frame, listed at $5,499.99. An off-road bike for trails, with grippy tyres and trail-ready geometry.
SizingWhat size Slash 8 Gen 6 do I need?
Enter your height to see the size Trek recommends.
| Size | Rider height | In feet | Inseam |
|---|---|---|---|
| S | 155 to 165 cm | 5 ft 1 in to 5 ft 5 in | 74 to 78 cm |
| M | 165 to 177 cm | 5 ft 5 in to 5 ft 10 in | 79 to 83 cm |
| ML | 173 to 180 cm | 5 ft 8 in to 5 ft 11 in | 81 to 86 cm |
| L | 177 to 188 cm | 5 ft 10 in to 6 ft 2 in | 84 to 89 cm |
| XL | 188 to 195 cm | 6 ft 2 in to 6 ft 5 in | 89 to 91 cm |
Rider heights from Trek's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
- Brand
- Trek
- Model year
- 2026
- Category
- Mountain
- Frame
- Aluminium
- Wheel size
- Mullet (29/27.5)
- Drivetrain
- Shimano XT 1x12
- Brakes
- Disc
- Frame sizes
- S, M, ML, L, XL
- Price
- $5,499.99, RRP AUD (Trek Australia, checked 16 Oct 2026)
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize ML
- Stack
- 632 mm
- Reach
- 468 mm
- Stack/reach
- 1.35
- Head angle
- 63.3 deg
- Seat angle
- 77.3 deg
- Wheelbase
- 1253 mm
- Chainstay
- 434 mm
- BB drop
- 27 mm
- Standover
- 766 mm
- Fork rake
- 43 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- Shimano XT
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 12
- Crank
- Shimano Deore M6120, 30T ring, 55 mm chain line, 165 mm length
- Chainrings
- 30
- Cassette
- Shimano XT M8100, 10-51, 12-speed
- Rear derailleur
- Shimano XT M8100, long cage
- Brakes
- Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper
- Rotors
- 203mm
- Wheelset
- Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"
- Stock tyre
- 27.5x2.50
- Tubeless
- Yes
- Fork material
- Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt-X axle, 170 mm travel
- BB standard
- Shimano BB-MT501 BSA
- Seatpost
- Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length
- Cockpit
- Bontrager Elite, 35 mm, 0-degree, 35 mm length / Bontrager Line, alloy, 35 mm, 27.5 mm rise, 820 mm width
- Saddle
- Bontrager Verse P3, chromoly rails
- UDH
- Yes
SuspensionMTB detail
- Front travel
- 170 mm
- Rear travel
- 170 mm
- Fork
- Fox Rhythm 36
- Fork stanchions
- 36 mm
- Shock
- Fox Performance Float X
- Wheel config
- Mullet
- Dropper
- Bontrager Line Dropper
- Dropper travel
- 170 mm
- Discipline
- Enduro
- Suspension
- full suspension
Bike DNAWhat the numbers say
- Steering
- A 63.3 deg head angle points to very slack, built for steep descending.
- Climbing
- Lowest ratio 0.59 is a very low climbing gear for steep or loaded climbs.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (Trek Australia product data 41668 (spec list, geometry chart, size chart)), verified 2026-10-16. This is a specification analysis, not a physical ride review.
Where to buyStockist
BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked.
