2017 Gunnar Cycles USA Rock Tour 26er Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Features
- Disc brake
Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
13.5" | 16" | 17.5" | 19" | 20.5" | |
Stack | 561mm | 561mm | 559mm | 559mm | 601mm |
Reach | 372mm | 383mm | 396mm | 407mm | 409mm |
Stack to Reach Ratio | 1.51:1 | 1.46:1 | 1.41:1 | 1.37:1 | 1.47:1 |
Seat Tube Length, C-T | 343mm | 407mm | 445mm | 483mm | 522mm |
Top Tube Length, Effective/Horizontal HT Top | 540mm | 550mm | 565mm | 580mm | 595mm |
Top Tube Slope | 26.4deg | 18.9deg | 14.2deg | 10deg | 10.3deg |
Head Tube Angle | 71.5deg | 71.5deg | 71.5deg | 71.5deg | 71.5deg |
Seat Tube Angle | 74.5deg | 74deg | 73.5deg | 73deg | 73deg |
Head Tube Length | 107mm | 107mm | 105mm | 105mm | 150mm |
Bottom Bracket Drop | 40mm | 40mm | 40mm | 40mm | 40mm |
Bottom Bracket Height | 297.9mm | 297.9mm | 297.9mm | 297.9mm | 297.9mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Max | 440mm | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal | 438.2mm | 438.2mm | 438.2mm | 438.2mm | 438.2mm |
Chainstay Length Horizontal Max | 438.2mm | 438.2mm | 438.2mm | 438.2mm | 438.2mm |
Front-Center | 588.2mm | 599.2mm | 611.1mm | 623.1mm | 639.1mm |
Front-Center Horizontal | 586.8mm | 597.8mm | 609.8mm | 621.8mm | 637.8mm |
Wheelbase | 1025mm | 1036mm | 1048mm | 1060mm | 1076mm |
Wheelbase Max | 1025mm | 1036mm | 1048mm | 1060mm | 1076mm |
Fork Offset/Rake | 39mm | 39mm | 39mm | 39mm | 39mm |
Fork Length (Axle-To-Crown) | 441mm | 441mm | 441mm | 441mm | 441mm |
Trail | 71.9mm high | 71.9mm high | 71.9mm high | 71.9mm high | 71.9mm high |
Mechanical Trail | 68.2mm | 68.2mm | 68.2mm | 68.2mm | 68.2mm |
Wheel Flop | 21.7mm | 21.7mm | 21.7mm | 21.7mm | 21.7mm |
Standover Height | 720mm | 751mm | 768mm | 785mm | 825mm |
Tire to Pedal Spindle | 80.3mm 170 mm cranks | 91.2mm 170 mm cranks | 103.2mm 170 mm cranks | 115.2mm 170 mm cranks | 131.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 127.9mm 170 mm cranks | 127.9mm 170 mm cranks | 127.9mm 170 mm cranks | 127.9mm 170 mm cranks | 127.9mm 170 mm cranks |
Base Build
13.5" | 16" | 17.5" | 19" | 20.5" | |
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 | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in |
Tire Width Max | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in |
Tire Outer Diameter | 675.8mm | 675.8mm | 675.8mm | 675.8mm | 675.8mm |
Bike Length with Tires | 1700.8mm | 1711.8mm | 1723.8mm | 1735.8mm | 1751.8mm |
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 Cross-country MTBSource:Bike Counterculture Geometry Database