2021 RSD Bikes Sergeant V4 Rigid Alloy Fork 27.5+ Small

Build

650B/27.5 in × 2.8 in

Insights

Somewhat upright stack and reach vs trend of rigid mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
615mm
Reach
408mm
Stack to Reach Ratio
1.51:1
Seat Tube Length, C-T
390mm
Top Tube Length, Effective/Horizontal Center
585mm
Top Tube Length, Actual C-C
569mm
Top Tube Slope
24.8deg
Head Tube Angle
65.5deg
Seat Tube Angle
74deg
Head Tube Length
90mm
Bottom Bracket Drop
53.1mm
Bottom Bracket Height
310mm
Chainstay Length
440mm
Chainstay Length Max
455mm
Chainstay Length Horizontal
436.8mm
Chainstay Length Horizontal Max
451.9mm
Front-Center
742.1mm
Front-Center Horizontal
740.2mm
Wheelbase
1177mm
Wheelbase Max
1192.1mm
Fork Offset/Rake
51mm
Fork Length (Axle-To-Crown)
510mm
Trail
109.4mm
very high
Mechanical Trail
99.6mm
Wheel Flop
41.3mm
Standover Height
687mm
Tire to Pedal Spindle Distance
With 170 mm cranks
209mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
140mm

Rigid Alloy Fork 27.5+ Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.8in
Tire Outer Diameter
726.2mm
Bike Length with Tires
1903.2mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Unknown
Features
Single-speed capable

Published Sizing Recommendations

Height
5 ft 2 in
to
5 ft 7 in
Source:https://rsdbikes.com/sergeant-v4-aluminum/