2021 Thorn Cycles Nomad MK3 Flat Bar CyclingAbout Estimates
- Category
- Off-road Touring
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
50L | 52L | 55L | 58L | 61L | 58S | |
Stack | 524mm | 543mm | 570mm | 596mm | 625mm | — |
Reach | 415mm | 420mm | 420mm | 421mm | 432mm | — |
Stack to Reach Ratio | 1.26:1 | 1.29:1 | 1.36:1 | 1.42:1 | 1.45:1 | — |
Seat Tube Length, C-C | 445mm | 457mm | 515mm | 550mm | 585mm | 550mm |
Top Tube Length, Effective/Horizontal Center | 570mm | 585mm | 600mm | 615mm | 635mm | 570mm |
Head Tube Angle | 70.5deg | 71deg | 71.5deg | 72deg | 72deg | — |
Seat Tube Angle | 73.5deg | 73deg | 72.5deg | 72deg | 72deg | 73deg |
Head Tube Length | 93mm | 116mm | 141mm | 172mm | 208mm | 182mm |
Bottom Bracket Drop | 55mm | 50mm | 50mm | 45mm | 40mm | 45mm |
Bottom Bracket Height | 297mm | 302mm | 302mm | 307mm | 312mm | 289.1mm |
Chainstay Length | 453mm | 459mm | 466mm | 472mm | 479mm | — |
Chainstay Length Horizontal | 449.7mm | 456.3mm | 463.3mm | 469.9mm | 477.3mm | — |
Front-Center | 639.7mm | 647.7mm | 646.5mm | 652.1mm | 673.7mm | — |
Front-Center Horizontal | 637.3mm | 645.8mm | 644.6mm | 650.5mm | 672.6mm | — |
Wheelbase | 1087mm | 1102.1mm | 1107.9mm | 1120.4mm | 1149.9mm | — |
Fork Offset/Rake | 53mm | 53mm | 48mm | 48mm | 48mm | 53mm |
Fork Length (Axle-To-Crown) | 410mm | 410mm | 410mm | 410mm | 410mm | — |
Trail | 68.4mm high | 65.2mm high | 67.2mm high | 63.9mm mid/neutral | 63.9mm mid/neutral | — — |
Mechanical Trail | 64.5mm | 61.6mm | 63.7mm | 60.8mm | 60.8mm | — |
Wheel Flop | 21.5mm | 20.1mm | 20.2mm | 18.8mm | 18.8mm | — |
Standover Height | 740mm | 765mm | 815mm | — | — | — |
Tire to Pedal Spindle | 117.7mm 170 mm cranks | 125.7mm 170 mm cranks | 124.5mm 170 mm cranks | 130.1mm 170 mm cranks | 151.7mm 170 mm cranks | — 170 mm cranks |
Pedal Spindle to Ground Clearance | 127mm 170 mm cranks | 132mm 170 mm cranks | 132mm 170 mm cranks | 137mm 170 mm cranks | 142mm 170 mm cranks | 119.1mm 170 mm cranks |
CyclingAbout Estimates Build
50L | 52L | 55L | 58L | 61L | 58S | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 26 in 559 mm BSD |
Tire Width | 60mm | 60mm | 60mm | 60mm | 60mm | 2.15in |
Tire Outer Diameter | 704mm | 704mm | 704mm | 704mm | 704mm | 668.2mm |
Bike Length with Tires | 1791mm | 1806.1mm | 1811.9mm | 1824.4mm | 1853.9mm | — |
Crank Length | — | — | — | — | — | 170mm |
Handlebar Width | — | — | — | — | — | 620mm |
Stem Length | — | — | — | — | — | 90mm |
Stem Angle | — | — | — | — | — | 6deg |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Off-road TouringSource:CyclingAbout.com has estimated the stack, reach and head tube angle (95%+ accuracy), chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/viewer.html?pdfurl=http%3A%2F%2Fwww.sjscycles.com%2Fthornpdf%2FBUILD5NOMAD26ROHLOFF.pdf&clen=1419151&chunk=true