2020 Surly Bikes Lowside 27.5+ Suspension Fork XS
Build
650B/27.5 in × 2.8 in
Insights
Very aggressive stack and reach vs trend of hardtail trail mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 564.5mm |
| Reach | 388mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 316mm |
| Top Tube Length, Effective/Horizontal HT Top | 578mm |
| Top Tube Length, Actual C-C | 562.4mm |
| Top Tube Slope | 28.5deg |
| Head Tube Angle | 67.3deg |
| Seat Tube Angle | 71.4deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 35.6mm |
| Bottom Bracket Height | 327.5mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 423.5mm |
| Front-Center | 654.5mm |
| Front-Center Horizontal | 653.5mm |
| Wheelbase | 1077mm |
| Fork Offset/Rake | 42mm |
| Fork Length (Axle-To-Crown) | 468mm |
| Trail | 106.4mm very high |
| Mechanical Trail | 98.1mm |
| Wheel Flop | 37.9mm |
| Standover Height | 737.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 121.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 157.5mm |
27.5+ Suspension Fork Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.8in |
| Tire Outer Diameter | 726.2mm |
| Bike Length with Tires | 1803.2mm |
| Crank Length | 170mm |
| Handlebar Width | 820mm |
| Stem Length | 60mm |
| Stem Angle | 6deg |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | 25% |
| Frame Material | Steel |
| Fork Material | N/A |
| Brake Type | Disc |
| Features | Single-speed capable |
Published Sizing Recommendations
| Height | 142 cm to |
Source:https://surlybikes.com/bikes/lowside