2024 Ratking / BackAlley Lost Highway Base 51cm

Build

650B/27.5 in × 2.2 in

Insights

Very upright stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
542mm
Reach
348mm
Stack to Reach Ratio
1.56:1
Seat Tube Length, C-C
430mm
Top Tube Length, Effective/Horizontal HT Top
510mm
Top Tube Slope
10deg
Head Tube Angle
72deg
Seat Tube Angle
73deg
Bottom Bracket Drop
70mm
Bottom Bracket Height
277.9mm
Chainstay Length
435mm
Chainstay Length Horizontal
429.3mm
Front-Center
564mm
Front-Center Horizontal
559.7mm
Wheelbase
989mm
Fork Offset/Rake
55.5mm
Trail
54.7mm
mid/​neutral
Mechanical Trail
52.1mm
Wheel Flop
16.1mm
Tire to Pedal Spindle Distance
With 170 mm cranks
46.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
107.9mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.2in
Tire Outer Diameter
695.8mm
Bike Length with Tires
1684.8mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://wearestuntdoubles.com/product/back-alley-x-ratking-lost-highway-bicycle