Trek Supercaliber SLR 9.9 XX Flight Attendant Gen 2 2026

C$18,999.99
Availability: Out of stock

Supercaliber SLR 9.9 XX Flight Attendant is an ultralight XC mountain bike that's built with the top components for race day. Its SLR Mountain Carbon frame is as light as it is meticulous, with a high modulus layup that gives you all the stiffness you crave and none of the weight. XC courses get rowdier every year, so it's equipped with a 110mm fork and 80mm of IsoStrut rear suspension to smooth your roll without dropping pedaling efficiency. It's all topped off with carbon wheels, a carbon cockpit, and SRAM's lightest wireless direct-mount transmission.

Frame
SLR OCLV Mountain Carbon, IsoStrut, UDH, 80mm travel
Fork
RockShox SID SL Ultimate, Flight Attendant Race Day damper, Stealth DebonAir spring, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 110mm travel
Shock
Trek IsoStrut, RockShox SIDLuxe, Flight Attendant RL3 damper

Wheel front
Wheel rear
Skewer rear
*Tire
Size: S, M, ML, L, XL
Pirelli Scorpion XC, Tubeless Ready, Team Edition Pro Wall, aramid bead, 120 tpi, 29x2.20''
Size: S, M, ML, L, XL
Bontrager Sainte-Anne RSL XR, Tubeless Ready, dual compound, aramid bead, 220 tpi, 29x2.40''
Size: S, M, ML, L, XL
Pirelli Scorpion XC RC, Tubeless Ready, Team Edition Pro Wall, aramid bead, 120 tpi, 29x2.40''
Tire part
Bontrager TLR sealant, 180 ml/6 oz
Rim strip
Bontrager TLR
Max tire size
Frame: 29x2.40", Fork: See manufacturer

Shifter
SRAM AXS pod
Rear derailleur
SRAM XX SL Eagle AXS, T-Type
*Crank
Size: S, M, ML
SRAM XX SL, Flight Attendant, DUB Wide, 34T alloy ring, 55mm chainline, 170mm length
Size: L, XL
SRAM XX SL, Flight Attendant, DUB Wide, 34T alloy ring, 55mm chainline, 175mm length
Bottom bracket
SRAM DUB, 92mm, 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, 145mm width
*Seatpost
Size: S, M
Fox Transfer SL, 100mm travel, internal routing, 31.6mm
Size: ML, L
Fox Transfer SL, 125mm travel, internal routing, 31.6mm
Size: XL
Fox Transfer SL, 150mm travel, internal routing, 31.6mm
*Handlebar/stem (integrated)
Grips
Headset
FSA IS-2, 1-1/8" top, 1.5" bottom
Brake
SRAM Motive Ultimate 4-piston hydraulic disc
*Brake rotor
Size: S, M, ML, L, XL
SRAM CenterLine X, centerlock, round edge, 160mm
Size: S, M, ML, L, XL
SRAM CenterLine X, centerlock, round edge, 180mm
Rotor size
Max brake rotor sizes - Frame: 160mm

Weight
M - 10.28 kg / 22.67 lbs (with TLR sealant, no tubes)
Weight limit
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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