Supercaliber SLR 9.9 Flight Attendant Gen 2
The Supercaliber SLR 9.9 Flight Attendant Gen 2 is a lightweight XC mountain bike designed with elite race-day components. Its SLR Mountain Carbon frame offers incredible stiffness with minimal weight thanks to a high-modulus lay-up. The bike features a 110 mm front fork and 80 mm IsoStrut rear suspension, both enhanced by Flight Attendant technology that continuously adjusts your suspension for maximum efficiency.
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Overview
Features
Specs
Sizing
Geometry
It's perfect for you
You prioritize speed and want the lightest, fastest cross-country race bike with world-proven tech. You’re looking to dominate climbs and race to the finish, letting your bike handle the terrain with 110 mm front and 80 mm IsoStrut rear suspension enhanced by RockShox Flight Attendant technology. You want a high-modulus carbon frame, carbon wheels, and top-tier components for peak performance.
The technology you get
This bike boasts a high SLR OCLV Mountain Carbon frame with modern XC geometry. It features 110 mm front suspension from a RockShox SID SL Ultimate fork with a DebonAir spring and Charger Race Day damper, paired with 80 mm IsoStrut rear suspension from a RockShox SIDLuxe shock, all powered by Flight Attendant tech. A SRAM XX SL AXS 12-speed electronic transmission ensures smooth, wireless shifting. Bontrager Kovee RSL carbon wheels, a carbon Bontrager RSL integrated bar/stem, a RockShox Reverb AXS wireless dropper post, and SRAM Level Ultimate 4-piston hydraulic disc brakes complete this race-ready machine.
Generally
The Supercaliber SLR 9.9 Flight Attendant Gen 2 is crafted for champions. With its top-tier carbon frame and components, coupled with SRAM’s lightest fully wireless groupset and RockShox Flight Attendant suspension that adapts to your ride in real-time, it delivers an edge for anyone looking to maximize speed and efficiency on the trails.
Why you'll love it
The Supercaliber SLR 9.9 Flight Attendant Gen 2 is crafted for champions. With its top-tier carbon frame and components, coupled with SRAM’s lightest fully wireless groupset and RockShox Flight Attendant suspension that adapts to your ride in real-time, it delivers an edge for anyone looking to maximize speed and efficiency on the trails.
The Walkthrough
Nothing else like it
Because the special frame design of the Supercaliber does away with standard suspension components, there is less weight, maintenance, and lateral flex. With around 60 mm of rear wheel movement, IsoStrut connects the mainframe to the pivotless seat supports. The design puts racers in control and delivers a special combination of effectiveness, traction, and fatigue compliance.
IsoStrut
You have precisely the right amount of travel with IsoStrut integral suspension to stay in control. It has all the flexibility of a normal rear shock without the extra weight of a full suspension bike.
SLR OCLV Mountain Carbon
This bike is made of high-quality lightweight carbon, which withstands the bumps and bumps of off-road conditions. In addition, the cycle enables the cyclist to start with extreme speed, flexibility, and stability at the same time.
Suspension calculator
To get the maximum performance out of your mountain bike, proper suspension set-up is important. It just takes a few minutes to get your suspension tuned up.
Complete tubeless system
Before installing a tubeless setup, make sure your wheels and tires are ready to remove the rim strips and tires, Bontrager TLR rim strips enable a firmer bead lock with the tire and a more straightforward installation process overall. All you will need: • Tubeless Ready (TLR) tyres • Tubeless Ready (TLR) wheel set • TLR rim strips • TLR valves
Carbon Wheels loyalty programme
Our Bontrager carbon wheels loyalty programme ensures that if your wheels are damaged within two years of buying them, you can replace or repair them for free.
SRAM Eagle AXS drivetrain
Experience precise and rapid gear shifts with Eagle AXS wireless electronic drivetrains, even under heavy loads. These drivetrains are both water and dust-resistant, and the AXS app allows you to customize your settings effortlessly.
Internal dropper compatible
Internal routing ports make it simple to add a dropper post upgrade, allowing you to lower your saddle on the fly for better clearance during tricky trail sections.
*Please note – spec applies to all sizes unless listed separately
- Frame
- SLR OCLV Mountain Carbon, IsoStrut, UDH, 80 mm travel
- Fork
- RockShox SID SL Ultimate, Flight Attendant Race Day damper, Stealth DebonAir spring, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 110 mm travel
- Shock
- Trek IsoStrut, RockShox SIDLuxe, Flight Attendant RL3 damper
- Wheel front
- Bontrager Kovee RSL, OCLV Mountain Carbon, Tubeless Ready, CentreLock, Boost110, 15 mm thru axle, 29"
- Wheel rear
- Bontrager Kovee RSL, OCLV Mountain Carbon, Tubeless Ready, CentreLock, Boost148, 12 mm thru axle, 29"
- Skewer rear
- Tyre
- Pirelli Scorpion XC, Tubeless-Ready, Team Edition Pro Wall, aramid bead, 120 tpi, 29x2.20"
- Tyre part
- Bontrager TLR sealant, 180 ml/6 oz
- Rim strip
- Bontrager TLR
- Max tyre size
- Frame: 29x2.40", Fork: See manufacturer
- Battery
- SRAM AXS battery pack (with charger)
- Shifter
- SRAM AXS pod
- Rear derailleur
- SRAM XX SL Eagle AXS, T-Type
- *Crank
- Size: S, M
SRAM XX SL, Flight Attendant, DUB Wide, 34T alloy ring, 55 mm chainline, 170 mm lengthSize: ML, L, XL
SRAM XX SL, Flight Attendant, DUB Wide, 34T alloy ring, 55 mm chainline, 175 mm length - Bottom bracket
- SRAM DUB, 92 mm, PressFit
- Cassette
- SRAM Eagle XS-1299, T-Type, 10-52, 12-speed
- Chain
- SRAM XX Eagle, T-Type, 12-speed
- Max. chainring size
- 1x: 38T, min 30T
- Saddle
- Aeolus RSL, carbon rails, 145 mm width
- *Seatpost
- Size: S
RockShox Reverb AXS, 100 mm travel, wireless, 31.6 mm, 340 mm lengthSize: M, ML, L, XL
RockShox Reverb AXS, 150 mm travel, wireless, 31.6 mm, 440 mm length - *Handlebar/stem (integrated)
- Grips
- ESI Chunky
- Head set
- FSA IS-2, 1-1/8" top, 1.5" bottom
- Brake
- SRAM Level Ultimate 4-piston hydraulic disc
- Brake rotor
- SRAM CentreLine X, CentreLock, round edge, 160 mm
- Rotor size
- Max brake rotor sizes - Frame: 160mm, Fork: see fork manufacturer
- Weight
- M - 10.11 kg / 22.29 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).
Size
S
M
ML
L
XL
Rider Height
155 - 165 cm
5'1" - 5'5"
165 - 176 cm
5'5" - 5'9"
173 - 180 cm
5'8" - 5'11"
177 - 188 cm
5'10" - 6'2"
188 - 195 cm
6'2" - 6'5"
Inseam
74 - 78 cm
29" - 31"
79 - 83 cm
31" - 33"
81 - 86 cm
32" - 34"
84 - 89 cm
33" - 35"
89 - 91 cm
35" - 36"
Geometry
All measurements provided in cm unless otherwise stated.
| Frame size letter | Wheel size | A — Seat tube | B — Seat tube angle | Effective seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 29" | 39.5 | 70.5° | 74.5° | 9.0 | 67.5° | 57.1 | 32.7 | 4.6 | 43.5 | 4.3 | 10.9 | 111.3 | 76.0 | 41.0 | 59.0 |
| M | 29" | 42.0 | 71.0° | 74.5° | 9.0 | 67.5° | 59.2 | 32.7 | 4.6 | 43.5 | 4.3 | 10.9 | 113.8 | 77.2 | 43.5 | 59.0 |
| ML | 29" | 44.0 | 71.0° | 74.5° | 9.0 | 67.5° | 60.5 | 32.7 | 4.6 | 43.5 | 4.3 | 10.9 | 115.3 | 77.2 | 45.0 | 59.0 |
| L | 29" | 46.0 | 71.5° | 74.5° | 10.0 | 67.5° | 62.2 | 32.7 | 4.6 | 43.5 | 4.3 | 10.9 | 117.2 | 77.2 | 46.5 | 59.9 |
| XL | 29" | 52.5 | 71.5° | 74.5° | 12.5 | 67.5° | 66.3 | 32.7 | 4.6 | 43.5 | 4.3 | 10.9 | 121.7 | 77.2 | 50.0 | 62.2 |
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