2017 Chromag Bikes Surface Base
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 150mm fork travel
- Features
- Disc brake
Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright 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 | Average 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
S | M | M/L | L | L | XL | |
Stack | 647mm | 647mm | 647mm | 647mm | 647mm | 647mm |
Reach | 410mm | 434mm | 453mm | 479mm | 479mm | 498mm |
Stack to Reach Ratio | 1.58:1 | 1.49:1 | 1.43:1 | 1.35:1 | 1.35:1 | 1.3:1 |
Seat Tube Length, C-T | 394mm | 431mm | 470mm | 495mm | 495mm | 533mm |
Top Tube Length, Effective/Horizontal HT Top | 578mm | 603mm | 622mm | 648mm | 648mm | 667mm |
Top Tube Slope | 27.5deg | 22.9deg | 18.6deg | 15.5deg | 15.5deg | 11.7deg |
Head Tube Angle | 66.5deg | 66.5deg | 66.5deg | 66.5deg | 66.5deg | 66.5deg |
Seat Tube Angle | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg |
Head Tube Length | 115mm | 115mm | 115mm | 115mm | 115mm | 115mm |
Bottom Bracket Drop | — | — | — | — | 51mm | — |
Bottom Bracket Height | — | — | — | — | 321mm | — |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Max | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | — | — | — | — | 421.9mm | — |
Chainstay Length Horizontal Max | — | — | — | — | 421.9mm | — |
Trail | — — | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — | — |
Wheel Flop | — | — | — | — | — | — |
Pedal Spindle to Ground Clearance | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | 151mm 170 mm cranks | — 170 mm cranks |
Base Build
S | M | M/L | L | L | 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 | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.8in | 2.8in | 2.8in | 2.8in | 2.4in | 2.8in |
Tire Width Max | 2.8in | 2.8in | 2.8in | 2.8in | 2.6in | 2.8in |
Tire Outer Diameter | 726.2mm | 726.2mm | 726.2mm | 726.2mm | 743.9mm | 726.2mm |
Crank Length | — | — | — | — | 170mm | — |
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 All-mountain/Enduro MTBSource:Bike Counterculture Geometry Database, https://geometrygeeks.bike/compare/chromag-surface-2015-2016-l,chromag-surface-2017-l,chromag-surface-2020-l/