2023 Surly Bikes Grappler Base
- Category
- Rigid MTB
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
XS | SM | MD | MD | LG | LG | XL | |
Stack | 585mm | 604mm | 623mm | 623mm | 641mm | 641mm | 660mm |
Reach | 381mm | 405mm | 420mm | 420mm | 444mm | 444mm | 458mm |
Stack to Reach Ratio | 1.54:1 | 1.49:1 | 1.48:1 | 1.48:1 | 1.44:1 | 1.44:1 | 1.44:1 |
Seat Tube Length, C-T | 316mm | 386mm | 437.2mm | 437.2mm | 488mm | 488mm | 539mm |
Top Tube Length, Effective/Horizontal HT Top | 560mm | 590mm | 610mm | 610mm | 640mm | 640mm | 660mm |
Head Tube Angle | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg |
Effective Seat Tube Angle, Seat Tube Top | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 160mm | 180mm | 200mm | 200mm | 220mm | 220mm | 240mm |
Bottom Bracket Drop | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Bottom Bracket Height | 305.5mm | 305.5mm | 305.5mm | 305.5mm | 305.5mm | 305.5mm | 305.5mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 422.1mm | 422.1mm | 422.1mm | 422.1mm | 422.1mm | 422.1mm | 422.1mm |
Front-Center | 636.9mm | 667.8mm | 688.8mm | 688.8mm | 719.7mm | 719.7mm | 741.6mm |
Front-Center Horizontal | 635mm | 666mm | 687mm | 687mm | 718mm | 718mm | 740mm |
Wheelbase | 1057mm | 1088mm | 1109mm | 1109mm | 1140mm | 1140mm | 1162mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Fork Length (On-Axis) | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm |
Trail | 79.5mm high | 79.5mm high | 79.5mm high | 79.5mm high | 79.5mm high | 79.5mm high | 79.5mm high |
Mechanical Trail | 74.5mm | 74.5mm | 74.5mm | 74.5mm | 74.5mm | 74.5mm | 74.5mm |
Wheel Flop | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm |
Standover Height | 719mm | 762mm | 796mm | 796mm | 830mm | 830mm | 863mm |
Tire to Pedal Spindle | 111.4mm 170 mm cranks | 142.3mm 170 mm cranks | 158.3mm 175 mm cranks | 158.3mm 175 mm cranks | 189.2mm 175 mm cranks | 189.2mm 175 mm cranks | 211.1mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 135.5mm 170 mm cranks | 135.5mm 170 mm cranks | 130.5mm 175 mm cranks | 130.5mm 175 mm cranks | 130.5mm 175 mm cranks | 130.5mm 175 mm cranks | 130.5mm 175 mm cranks |
Base Build
XS | SM | MD | MD | LG | LG | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.5in | 2.5in | 2.5in | 2.5in | 2.5in | 2.5in | 2.5in |
Tire Width Max | 3in | 3in | 3in | 3in | 3in | 3in | 3in |
Tire Outer Diameter | 711mm | 711mm | 711mm | 711mm | 711mm | 711mm | 711mm |
Bike Length with Tires | 1768mm | 1799mm | 1820mm | 1820mm | 1851mm | 1851mm | 1873mm |
Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 400mm | 420mm | 440mm | 440mm | 460mm | 460mm | 480mm |
Stem Length | 6070mm | 6070mm | 6070mm | 6070mm | 6070mm | 6070mm | 6070mm |
Stem Angle | 6deg | 6deg | 6deg | 6deg | 6deg | 6deg | 6deg |
Published Sizing Recommendations
Height | 142 cm to 152 cm | 152 cm to 165 cm | 165 cm to 175 cm | 165 cm to 175 cm | 175 cm to 185 cm | 175 cm to 185 cm | 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
Rigid MTBSource:https://surlybikes.com/bikes/grappler