2018 RSD Bikes Middlechild 27.5+ Chromoly Medium

Build

650B/27.5 in × 2.8 in

Insights

Average stack and reach vs trend of hardtail all-mountain/enduro mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
619mm
Reach
448mm
Stack to Reach Ratio
1.38:1
Seat Tube Length, C-T
450mm
Top Tube Length, Effective/Horizontal HT Top
625mm
Top Tube Slope
18.1deg
Head Tube Angle
64.5deg
Seat Tube Angle
74deg
Head Tube Length
110mm
Bottom Bracket Drop
40mm
Bottom Bracket Height
323.1mm
Chainstay Length
415mm
Chainstay Length Max
430mm
Chainstay Length Horizontal
413.1mm
Chainstay Length Horizontal Max
428.1mm
Front-Center
774mm
Front-Center Horizontal
772.9mm
Wheelbase
1186mm
Wheelbase Max
1201.1mm
Fork Offset/Rake
51mm
Fork Length (Axle-To-Crown)
550mm
Trail
116.7mm
very high
Mechanical Trail
105.3mm
Wheel Flop
45.3mm
Standover Height
710mm
Tire to Pedal Spindle Distance
With 175 mm cranks
235.9mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
148.1mm

27.5+ Chromoly Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.8in
Tire Outer Diameter
726.2mm
Bike Length with Tires
1912.2mm
Crank Length
175mm
Handlebar Width
780mm
Stem Length
50mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
140mm
Suspension Sag
0%
Frame Material
Steel
Fork Material
Unknown
Brake Type
Disc

Published Sizing Recommendations

Height
170 cm
to
180 cm
Source:https://www.rsdbikes.com/portfolio/middlechild-cr-mo/