2016 Surly Bikes Troll Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 551mm | 561mm | 570mm | 585mm | 604mm |
Reach | 371mm | 393mm | 415mm | 431mm | 446mm |
Stack to Reach Ratio | 1.49:1 | 1.43:1 | 1.37:1 | 1.36:1 | 1.35:1 |
Seat Tube Length, C-T | 336mm | 406mm | 457mm | 508mm | 559mm |
Top Tube Length, Effective/Horizontal Center | 545mm | 570mm | 595mm | 615mm | 630mm |
Top Tube Slope | 26.1deg | 18.7deg | 13.6deg | 9.7deg | 6.5deg |
Head Tube Angle | 71deg | 71deg | 71deg | 71deg | 71deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 125mm | 135mm | 145mm | 160mm | 180mm |
Bottom Bracket Drop | 40mm | 40mm | 40mm | 40mm | 40mm |
Bottom Bracket Height | 315.7mm | 315.7mm | 315.7mm | 315.7mm | 315.7mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Max | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm |
Chainstay Length Horizontal Max | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm |
Front-Center | 594.2mm | 619.2mm | 644.1mm | 664.1mm | 686.1mm |
Front-Center Horizontal | 592.9mm | 617.9mm | 642.9mm | 662.9mm | 684.9mm |
Wheelbase | 1016mm | 1041mm | 1066mm | 1086mm | 1108mm |
Wheelbase Max | 1016mm | 1041mm | 1066mm | 1086mm | 1108mm |
Fork Offset/Rake | 43mm | 43mm | 43mm | 43mm | 43mm |
Fork Length (Axle-To-Crown) | 420mm | 420mm | 420mm | 420mm | 420mm |
Trail | 77mm high | 77mm high | 77mm high | 77mm high | 77mm high |
Mechanical Trail | 72.8mm | 72.8mm | 72.8mm | 72.8mm | 72.8mm |
Wheel Flop | 23.7mm | 23.7mm | 23.7mm | 23.7mm | 23.7mm |
Standover Height | 720mm | 749mm | 778mm | 809mm | 843mm |
Tire to Pedal Spindle | 68.5mm 170 mm cranks | 93.5mm 170 mm cranks | 118.4mm 170 mm cranks | 138.4mm 170 mm cranks | 160.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 145.7mm 170 mm cranks | 145.7mm 170 mm cranks | 145.7mm 170 mm cranks | 145.7mm 170 mm cranks | 145.7mm 170 mm cranks |
Base Build
XS | S | M | L | 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 Width Max | 3in | 3in | 3in | 3in | 3in |
Tire Outer Diameter | 711.4mm | 711.4mm | 711.4mm | 711.4mm | 711.4mm |
Bike Length with Tires | 1727.4mm | 1752.4mm | 1777.4mm | 1797.4mm | 1819.4mm |
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
Rigid MTBSource:Bike Counterculture Geometry Database