Lauf Elja XC – Ultimate Flight Attendant 2025
2025 Mountain
Estimate price |
8,290$
Weight | 11.69 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Travel Front 120mm -
Travel Rear 120mm -
Fork RockShox SID Ultimate
-
Groupset XX SL Eagle Transmission, X01 Eagle AXS -
Suspension Full, Electronic -
Drivetrain 1 × 12 Electronic -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
156cm - 168cm
MD
165cm - 180cm
LG
177cm - 192cm
XL
189cm - 200cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Lauf IRM* Elja carbon frame, 29x2.8/3.0" tire clearance**, Boost148, LSP, 120mm travel
Suspension Fork
RockShox Sid Ultimate Flight Attendant, 29x2.6" claimed tire clearance, Boost110, 120mm travel
Rear Shock
RockShox SIDLuxe Ultimate Flight Attendant, 190x45mm
Drivetrain
Rear Derailleur
SRAM Eagle Transmission XX SL, wireless shifting
Shift Levers
SRAM AXS PODS, wireless shifting
Cassette
SRAM XS-1299 Eagle Transmission Cassette, 12 speed, 10-52t
Crank
SRAM XX SL Eagle AXS Transmission Power Meter Crankset 32t, 170mm, 55CL
Bottom Bracket
SRAM DUB BSA73
Chain
SRAM Eagle Eagle Transmission XX SL, flat-top, 118 links
Wheels
Rims
Zipp 1Zero HiTop S, 29", carbon, 6-bolt, XD freehub, tubeless ready
Tires
Goodyear Peak 2.6" Tubeless Complete 120tpi
Brakes
Brakes
SRAM Level Ultimate Stealth 4-Piston
Cockpit
Stem
FSA Comet ?35 (S:35mm , M-XL: 50mm)
Handlebar
Lauf Mtn Bar, 780mm wide, Ø35mm
Grips
Lauf bolt-on grips
Headset
FSA Orbit, IS 42/52 (36°lower), damped Honey bearings
Seat
Saddle
Fizik Vento Argo X5 140mm, OEM version
Seatpost
RockShox Reverb AXS, Ø31.6mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.417 mm | 1.344 mm | 1.281 mm | 1.233 mm |
| Bottom Bracket Height | 334 mm | 334 mm | 334 mm | 334 mm |
| Front Center | 716 mm | 751 mm | 785 mm | 816 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 117 mm | 119 mm | 117 mm | 119 mm |
| Stack | 595 mm | 605 mm | 615 mm | 625 mm |
| Reach | 420 mm | 450 mm | 480 mm | 507 mm |
| Seat Tube Angle | 77.5 ° | 76.8 ° | 76.2 ° | 75.7 ° |
| Seat Tube Length | 406 mm | 443 mm | 453 mm | 463 mm |
| Head Tube Angle | 66 ° | 66 ° | 66 ° | 66 ° |
| Head Tube Length | 95 mm | 106 mm | 117 mm | 127 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1149 mm | 1183 mm | 1218 mm | 1249 mm |
| Bottom Bracket Drop | 40 mm | 40 mm | 40 mm | 40 mm |
| Standover Height | 724 mm | 747 mm | 756 mm | 765 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 156 cm | 165 cm | 177 cm | 189 cm |
| Rider Max Height | 168 cm | 180 cm | 192 cm | 200 cm |