Trek Slash 9.9 XX1 AXS Flight Attendant Gen 5
Slash 9.9 is the fastest enduro mountain bike in the line-up, so it's no surprise it's the go-to ride for the pros of Trek Factory Racing Enduro. A full carbon frame, all-new hard-charging suspension with RockShox Flight Attendant, fast-rolling carbon wheels and a SRAM wireless electronic drivetrain and dropper make this top-of-the-line ride the undisputed king of enduro.
It's right for you if...
You're looking for the kind of enduro bike that can rip it up on the world’s biggest stage. You want the very latest tech like electronic shifting and the new Flight Attendant electronic damper from RockShox.
The tech you get
A full OCLV Mountain Carbon frame with 160 mm of travel and a RockShox Super Deluxe Ultimate shock with an updated Thru Shaft damper, a RockShox ZEB Ultimate fork with extra-beefy 38 mm stanchions. Plus, RockShox Flight Attendant wireless electronic damping control automagically adjusts your suspension to best suit the terrain. A wireless electronic SRAM X01 Eagle AXS drivetrain with a 10-52 cassette, Reverb AXS dropper, Bontrager RSL integrated bar/stem, and Line Pro 30 carbon wheels with a 108-tooth Rapid Drive hub.
The final word
There's not a single part on this bike that wasn't made for ripping it up at insane speeds on the wildest enduro courses in the world. And you get RockShox Flight Attendant that automatically adjusts your suspension damping so you can focus on flying down the trail.
Specifications
*spec applies to all sizes unless otherwise noted
Frameset
| Frame | OCLV Mountain Carbon main frame and stays, internal storage, tapered head tube, Knock Block 2.0, Control Freak internal routing, Carbon Armour, shuttle guard, threaded BB, ISCG 05, 34.9 mm seat tube, magnesium rocker link, Mino Link, ABP, Boost148, 160 mm travel |
|---|---|
| Fork | RockShox ZEB Ultimate, Flight Attendant, DebonAir spring, Charger 2.1 RCT3 AXS damper, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 170 mm travel |
| Shock | RockShox Super Deluxe Ultimate, Flight Attendant, DebonAir spring, Thru Shaft 3-position AXS damper, 230 mm x 62.5 mm |
| Max compatible fork travel | 180mm (596mm axle-to-crown) |
| Wheel front | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready, 6-bolt, Boost110, 15 mm thru-axle |
|---|---|
| Wheel rear | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12 mm thru-axle |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| *Tyre |
Size: S , M , ML , L , XL Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50" |
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Size: S , M , ML , L , XL Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50" |
|
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Max tyre size | Frame: 29x2.50", Fork: See manufacturer |
| Shifter | SRAM Eagle AXS, wireless, 12-speed |
|---|---|
| Rear derailleur | SRAM XX1 Eagle AXS |
| Crank | SRAM XX1 Eagle, Flight Attendant, DUB MTB Wide, 30T alloy ring, 55 mm chain line, 170 mm length |
| Bottom bracket | SRAM DUB MTB Wide, 73 m, BSA threaded |
| Cassette | SRAM Eagle XG-1299, 10-52, 12-speed |
| Chain | SRAM GX Eagle, 12-speed |
| Max. chainring size | 1x: 34T, min 28T |
| Saddle | Bontrager Arvada, austenite rails, 138 mm width |
|---|---|
| *Seatpost |
Size: S RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 mm length |
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Size: M , ML RockShox Reverb AXS, 150 mm travel, wireless, 34.9 mm, 440 mm length |
|
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Size: L , XL RockShox Reverb AXS, 170 mm travel, wireless, 34.9 mm, 480 mm length |
|
| Handlebar/stem (integrated) | Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 35 mm stem length |
| Grips | Bontrager XR Trail Pro, alloy lock-on |
| Head set | Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom |
| *Brake rotor |
Size: S , M , ML , L , XL SRAM CentreLine, 6-bolt, round edge, 180 mm |
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Size: S , M , ML , L , XL SRAM CentreLine, 6-bolt, round edge, 200 mm |
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| Brake Set | SRAM Code RSC 4-piston hydraulic disc |
| Battery | SRAM eTap battery pack (with charger) |
|---|---|
| Bag | Bontrager BITS Internal Frame Storage Bag |
| Weight | M - 14.23 kg / 31.38 lbs (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
Sizing & Tech
The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local retailer.
| Size | Rider Height | Inseam |
|---|---|---|
| S |
155 - 165 cm 5'1" - 5'5" |
74 - 78 cm 29" - 31" |
| M |
165 - 176 cm 5'5" - 5'9" |
79 - 83 cm 31" - 33" |
| M/L |
173 - 180 cm 5'8" - 5'11" |
81 - 86 cm 32" - 34" |
| L |
177 - 188 cm 5'10" - 6'2" |
84 - 89 cm 33" - 35" |
| XL |
188 - 195 cm 6'2" - 6'5" |
89 - 91 cm 35" - 36" |
