2021 RSD Bikes Sergeant V4 Rigid Alloy Fork 27.5+ XXL

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
670mm
Reach
493mm
Stack to Reach Ratio
1.36:1
Seat Tube Length, C-T
490mm
Top Tube Length, Effective/Horizontal Center
685mm
Top Tube Length, Actual C-C
658mm
Top Tube Slope
16deg
Head Tube Angle
65.5deg
Seat Tube Angle
74deg
Head Tube Length
150mm
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
850.9mm
Front-Center Horizontal
849.2mm
Wheelbase
1286mm
Wheelbase Max
1301.1mm
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
725mm
Tire to Pedal Spindle Distance
With 170 mm cranks
317.8mm
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
2012.2mm
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
6 ft 3 in
to
6 ft 6 in
Source:https://rsdbikes.com/sergeant-v4-aluminum/