Knolly Tyaughton Steel XT 2025
2025 Mountain
Estimate price |
4,599$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Travel Front 150mm -
Fork Fox Factory Float 36
-
Groupset XT -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes Shimano XT Hydraulic Disc
Sizing
Recommended size guide.
SM
155cm - 171cm
MD
169cm - 179cm
LG
177cm - 189cm
XL
187cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Suspension Fork
Fox 36 29" Grip2 Factory 150mm, 44mm offset
Drivetrain
Rear Derailleur
Shimano XT M8100 12spd, Shadow Plus
Shift Levers
Shimano XT 12spd M8100 (I-Spec EV)
Cassette
Shimano SLX M7100 12spd, 10-51T, Hyperglide+
Crank
Shimano XT M8130 30T, 170mm
Bottom Bracket
Shimano XT MT800 BSA
Chain
Shimano XT M8100
Wheels
Rims
DT Swiss M1900 SPLINE 28h Straight-Pull (MS)
Tires
Front: Maxxis DHF 29" 2.5" 3C Maxx Terra EXO, Rear: Maxxis DHR2 29" 2.3" 3C Maxx Terra EXO
Brakes
Brakes
Shimano XT 4 Piston M8120
Cockpit
Stem
RaceFace Aeffect R 35mm x 50mm
Handlebar
Spank 35mm x 800mm, 25mm Rise
Grips
Spank / SDG
Headset
FSA Orbit ZS44/56
Seat
Saddle
Chromag Lift
Seatpost
SDG Tellis (S2: 170mm, S3-S5: 200mm), 31.6
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.433 mm | 1.359 mm | 1.293 mm | 1.249 mm |
| Bottom Bracket Height | 323 mm | 323 mm | 323 mm | 323 mm |
| Front Center | 765 mm | 796 mm | 825 mm | 856 mm |
| Rake | 33 mm | 35 mm | 35 mm | 34 mm |
| Trail | 133 mm | 131 mm | 131 mm | 132 mm |
| Stack | 632 mm | 636 mm | 640 mm | 652 mm |
| Reach | 441 mm | 468 mm | 495 mm | 522 mm |
| Top Tube Length | 610 mm | 639 mm | 667 mm | 696 mm |
| Seat Tube Angle | 75 ° | 75 ° | 75 ° | 75 ° |
| Seat Tube Length | 360 mm | 404 mm | 456 mm | 506 mm |
| Head Tube Angle | 64.5 ° | 64.5 ° | 64.5 ° | 64.5 ° |
| Head Tube Length | 102 mm | 110 mm | 115 mm | 125 mm |
| Chainstay Length | 427 mm | 427 mm | 427 mm | 427 mm |
| Wheelbase | 1190 mm | 1221 mm | 1250 mm | 1281 mm |
| Bottom Bracket Drop | 32 mm | 32 mm | 32 mm | 32 mm |
| Standover Height | 669 mm | 725 mm | 750 mm | 790 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 155 cm | 169 cm | 177 cm | 187 cm |
| Rider Max Height | 171 cm | 179 cm | 189 cm | 195 cm |