2021 Ionic Bikes Johnny Rotten Base S
Build
700C/29 in × 2.6 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 603mm |
| Reach | 440mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, C-T | 381mm |
| Seat Tube Length, C-C | 330.2mm |
| Top Tube Length, Effective/Horizontal HT Top | 584mm |
| Head Tube Angle | 67.5deg |
| Seat Tube Angle, Unknown | 74deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 52mm |
| Bottom Bracket Height | 325mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 421.8mm |
| Front-Center | 717.4mm |
| Front-Center Horizontal | 715.5mm |
| Wheelbase | 1137.3mm |
| Fork Offset/Rake | 44mm |
| Fork Length, Unknown | 522.7mm |
| Trail | 108.6mm very high |
| Mechanical Trail | 100.3mm |
| Wheel Flop | 38.4mm |
| Standover Height | 792.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 170.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 155mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1891.4mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | N/A |
| Brake Type | Disc |
Source:https://ionicbikes.com/product/johnny-rotten-hardtail/