2018 Felt Bicycles Surplus 70 Base

Design
Flat Bar, Hardtail (Front suspension)
Suspension
120mm fork travel
Very upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

14
16
18
20
22
Stack
653mm
653mm
662mm
672mm
681mm
Reach
373mm
390mm
408mm
425mm
442mm
Stack to Reach Ratio
1.75:1
1.67:1
1.62:1
1.58:1
1.54:1
Seat Tube Length, C-C
360mm
400mm
450mm
500mm
550mm
Top Tube Length, Effective/Horizontal HT Top
570mm
590mm
610mm
630mm
650mm
Head Tube Angle
68deg
68deg
68deg
68deg
68deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
Head Tube Length
100mm
110mm
120mm
130mm
140mm
Bottom Bracket Drop
65mm
65mm
65mm
65mm
65mm
Bottom Bracket Height
298.1mm
298.1mm
298.1mm
298.1mm
298.1mm
Chainstay Length
440mm
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
435.2mm
435.2mm
435.2mm
435.2mm
435.2mm
Front-Center
665mm
686mm
707mm
728mm
749mm
Front-Center Horizontal
661.8mm
682.8mm
703.8mm
724.8mm
745.8mm
Wheelbase
1097mm
1118mm
1139mm
1160mm
1181mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
51mm
Trail
91.7mm
very high
91.7mm
very high
91.7mm
very high
91.7mm
very high
91.7mm
very high
Mechanical Trail
85mm
85mm
85mm
85mm
85mm
Wheel Flop
31.9mm
31.9mm
31.9mm
31.9mm
31.9mm
Standover Height
660mm
703mm
749mm
792mm
819mm
Tire to Pedal Spindle
126.9mm
175 mm cranks
147.9mm
175 mm cranks
168.9mm
175 mm cranks
189.9mm
175 mm cranks
210.9mm
175 mm cranks
Pedal Spindle to Ground Clearance
123.1mm
175 mm cranks
123.1mm
175 mm cranks
123.1mm
175 mm cranks
123.1mm
175 mm cranks
123.1mm
175 mm cranks

Base Build

14
16
18
20
22
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
Tire Width
2.8in
2.8in
2.8in
2.8in
2.8in
Tire Outer Diameter
726.2mm
726.2mm
726.2mm
726.2mm
726.2mm
Bike Length with Tires
1823.2mm
1844.2mm
1865.2mm
1886.2mm
1907.2mm
Crank Length
175mm
175mm
175mm
175mm
175mm

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 Scale
Source:https://99spokes.com/en-EU/bikes/felt/2018/surplus-70