2021 TWITTER Bikes R7 Base 54

Build

700C/29 in × 40 mm

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
610.5mm
Reach
407.3mm
Stack to Reach Ratio
1.5:1
Seat Tube Length, C-T
540mm
Top Tube Length, Effective/Horizontal Center
593.9mm
Top Tube Slope
9.5deg
Head Tube Angle
73.5deg
Seat Tube Angle
73deg
Head Tube Length
190mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
281mm
Chainstay Length
420mm
Chainstay Length Horizontal
414.1mm
Front-Center
628.7mm
Front-Center Horizontal
624.9mm
Wheelbase
1039mm
Fork Offset/Rake
55mm
Fork Length (Axle-To-Crown)
390mm
Trail
46.6mm
mid/​neutral
Mechanical Trail
44.7mm
Wheel Flop
12.7mm
Tire to Pedal Spindle Distance
With 170 mm cranks
107.7mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
111mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1741mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc
Source:Taobao