2020 Batch E-Bike Base 17.5"/Medium

Build

650B/27.5 in × 45 mm

Insights

Very aggressive stack and reach vs trend of commuter bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
580mm
Reach
430mm
Stack to Reach Ratio
1.35:1
Seat Tube Length, C-T
445mm
Top Tube Length, Effective/Horizontal Center
602mm
Top Tube Slope
15.4deg
Head Tube Angle
71.5deg
Seat Tube Angle
73deg
Head Tube Length
140mm
Bottom Bracket Drop
65mm
Bottom Bracket Height
272mm
Chainstay Length
480mm
Chainstay Length Horizontal
475.6mm
Front-Center
642.7mm
Front-Center Horizontal
639.4mm
Wheelbase
1115mm
Fork Offset/Rake
35.2mm
Trail
75.7mm
high
Mechanical Trail
71.7mm
Wheel Flop
22.8mm
Standover Height
740mm
Tire to Pedal Spindle Distance
With 172.5 mm cranks
133.2mm
Pedal Spindle to Ground Clearance
With 172.5 mm cranks
99.5mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
45mm
Tire Outer Diameter
674mm
Bike Length with Tires
1789mm
Crank Length
172.5mm
Stem Length
70mm
Stem Angle
6deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc
Features
E-bike

Published Sizing Recommendations

Height
5 ft 5 in
to
5 ft 10 in
Source:https://www.batchbicycles.com/ebike-geometry-chart