2021 18 Bikes No 7 Base 450

Build

650B/27.5 in × 2.3 in

Insights

Very aggressive stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of 18 Bikes No 7

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
568mm
Reach
450mm
Stack to Reach Ratio
1.26:1
Seat Tube Length, Unknown
380mm
Top Tube Length, Unknown
613mm
Top Tube Slope
20.1deg
Head Tube Angle
65.5deg
Seat Tube Angle
74deg
Head Tube Length
100mm
Bottom Bracket Drop
35mm
Bottom Bracket Height
315.4mm
Chainstay Length
420mm
Chainstay Length Horizontal
418.5mm
Front-Center
744mm
Front-Center Horizontal
743.5mm
Wheelbase
1162mm
Fork Offset/Rake
46mm
Fork Length (Axle-To-Crown)
532mm
Trail
109.1mm
very high
Mechanical Trail
99.3mm
Wheel Flop
41.2mm
Standover Height
729mm
Tire to Pedal Spindle Distance
With 170 mm cranks
223.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
145.4mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.3in
Tire Outer Diameter
700.8mm
Bike Length with Tires
1862.8mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
140mm
Suspension Sag
Unknown
Frame Material
Steel
Fork Material
N/A
Brake Type
Disc

Published Sizing Recommendations

Height
154 cm
to
164 cm
Source:https://www.18bikes.co.uk/18-bikes-number-7-frameset-78399992.html