2020 Surly Bikes Lowside 26+ Suspension Fork
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 100mm fork travel, 25% sag
- Features
- Disc brake, Single-speed capable
Geometry
XS | SM | MD | LG | XL | |
Stack | 564.5mm | 579.8mm | 593.5mm | 608mm | 622mm |
Reach | 388mm | 403.7mm | 419.5mm | 435.5mm | 451mm |
Stack to Reach Ratio | 1.45:1 | 1.44:1 | 1.41:1 | 1.4:1 | 1.38:1 |
Seat Tube Length, C-T | 316mm | 366mm | 416mm | 466mm | 516mm |
Top Tube Length, Effective/Horizontal HT Top | 578mm | 598mm | 618mm | 638mm | 658mm |
Top Tube Length, Actual C-C | 562.4mm | 575.6mm | 589.7mm | 608.5mm | 630.4mm |
Top Tube Slope | 28.5deg | 24.1deg | 19.8deg | 15.9deg | 12.2deg |
Head Tube Angle | 67.3deg | 67.4deg | 67.5deg | 67.5deg | 67.6deg |
Seat Tube Angle | 71.4deg | 71.4deg | 71.5deg | 71.5deg | 71.6deg |
Head Tube Length | 110mm | 125mm | 140mm | 155mm | 170mm |
Bottom Bracket Drop | 35.6mm | 36mm | 36.4mm | 36.7mm | 37mm |
Bottom Bracket Height | 319.4mm | 319mm | 318.6mm | 318.3mm | 318mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 423.5mm | 423.5mm | 423.4mm | 423.4mm | 423.4mm |
Front-Center | 654.5mm | 675.5mm | 697mm | 718mm | 739mm |
Front-Center Horizontal | 653.5mm | 674.5mm | 696.1mm | 717.1mm | 738.1mm |
Wheelbase | 1077mm | 1098mm | 1119.5mm | 1140.5mm | 1161.5mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm | 42mm |
Fork Length (Axle-To-Crown) | 468mm | 468mm | 468mm | 468mm | 468mm |
Trail | 103mm very high | 102.3mm very high | 101.6mm very high | 101.6mm very high | 100.9mm very high |
Mechanical Trail | 95mm | 94.4mm | 93.9mm | 93.9mm | 93.3mm |
Wheel Flop | 36.7mm | 36.3mm | 35.9mm | 35.9mm | 35.6mm |
Standover Height | 729mm | 755mm | 787mm | 817mm | 848.5mm |
Tire to Pedal Spindle | 129.5mm 170 mm cranks | 150.5mm 170 mm cranks | 167mm 175 mm cranks | 188mm 175 mm cranks | 209mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 149.4mm 170 mm cranks | 149mm 170 mm cranks | 143.6mm 175 mm cranks | 143.3mm 175 mm cranks | 143mm 175 mm cranks |
26+ Suspension Fork Build
XS | SM | MD | LG | XL | |
Wheel Size | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD |
Tire Width | 3in | 3in | 3in | 3in | 3in |
Tire Outer Diameter | 710mm | 710mm | 710mm | 710mm | 710mm |
Bike Length with Tires | 1787mm | 1808mm | 1829.5mm | 1850.5mm | 1871.5mm |
Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 820mm | 820mm | 820mm | 820mm | 820mm |
Stem Length | 60mm | 60mm | 60mm | 60mm | 60mm |
Stem Angle | 6deg | 6deg | 6deg | 6deg | 6deg |
Published Sizing Recommendations
Height | 142 cm to | 152 cm to | 165 cm to | 175 cm to | 185 cm to |
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://surlybikes.com/bikes/lowside