2021 Ionic Bikes Johnny Rotten Base
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 120mm fork travel
- Features
- Disc brake
Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 603mm | 612mm | 622mm | 636mm |
Reach | 440mm | 444mm | 471mm | 481mm |
Stack to Reach Ratio | 1.37:1 | 1.38:1 | 1.32:1 | 1.32:1 |
Seat Tube Length, C-T | 381mm | 432mm | 485mm | 508mm |
Seat Tube Length, C-C | 330.2mm | 381mm | 435mm | 457.2mm |
Top Tube Length, Effective/Horizontal HT Top | 584mm | 597mm | 627mm | 648mm |
Head Tube Angle | 67.5deg | 67.5deg | 67.5deg | 67.5deg |
Seat Tube Angle, Unknown | 74deg | 73.5deg | 73.5deg | 73deg |
Head Tube Length | 100mm | 110mm | 120mm | 135mm |
Bottom Bracket Drop | 52mm | 52mm | 52mm | 52mm |
Bottom Bracket Height | 325mm | 325mm | 325mm | 325mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 421.8mm | 421.8mm | 421.8mm | 421.8mm |
Front-Center | 717.4mm | 725.4mm | 755.9mm | 772.6mm |
Front-Center Horizontal | 715.5mm | 723.5mm | 754.1mm | 770.8mm |
Wheelbase | 1137.3mm | 1145.3mm | 1175.9mm | 1192.6mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm |
Fork Length, Unknown | 522.7mm | 522.7mm | 522.7mm | 522.7mm |
Trail | 108.5mm very high | 108.5mm very high | 108.5mm very high | 108.5mm very high |
Mechanical Trail | 100.3mm | 100.3mm | 100.3mm | 100.3mm |
Wheel Flop | 38.4mm | 38.4mm | 38.4mm | 38.4mm |
Standover Height | 792.7mm | 820mm | 850.8mm | 865.9mm |
Tire to Pedal Spindle | 170.4mm 170 mm cranks | 178.4mm 170 mm cranks | 208.9mm 170 mm cranks | 225.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 155mm 170 mm cranks | 155mm 170 mm cranks | 155mm 170 mm cranks | 155mm 170 mm cranks |
Base Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 754mm | 754mm | 754mm | 754mm |
Bike Length with Tires | 1891.3mm | 1899.3mm | 1929.9mm | 1946.6mm |
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
Hardtail Trail MTBSource:https://ionicbikes.com/product/johnny-rotten-hardtail/