Knolly Tyaughton Steel NGX 2025
2025 Mountain
Estimate price |
3,699$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Travel Front 150mm -
Fork Marzocchi Bomber Z1
-
Groupset GX Eagle, NX Eagle -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes SRAM Guide RE 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
Marzocchi Z1 29" 150mm, 44mm offset
Drivetrain
Rear Derailleur
SRAM GX Eagle
Shift Levers
SRAM NX Eagle
Cassette
SRAM PG1230 Eagle 11-50T
Crank
SRAM Descendent 7k 170mm 30T Ring
Bottom Bracket
SRAM DUB BSA SB+
Chain
SRAM NX Eagle
Wheels
Rims
RaceFace Aeffect R 30 Trace 28h J-Bend (HG ) OR Spank 359 HEX J-Bend 32h (HG)
Tires
Front: Maxxis DHF 29" 2.5" 3C Maxx Terra EXO, Rear: Maxxis DHR2 29" 2.3" 3C Maxx Terra EXO
Brakes
Brakes
SRAM Guide RE 4 Piston
Cockpit
Stem
RaceFace Aeffect R 35mm x 50mm
Handlebar
RaceFace Aeffect R 35x780mm, 20mm Rise
Grips
Spank / SDG
Headset
FSA Orbit ZS44/56
Seat
Saddle
SDG Bel-Air V3
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 |