2024 SEKA Spear Base M

Build

700C/29 in × 28 mm

Insights

Average stack and reach vs trend of performance road bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
543mm
Reach
379mm
Stack to Reach Ratio
1.43:1
Seat Tube Length, C-T
480mm
Top Tube Length, Effective/Horizontal Center
518mm
Top Tube Slope
9.1deg
Head Tube Angle
72.9deg
Seat Tube Angle
74deg
Head Tube Length
136mm
Bottom Bracket Drop
72mm
Bottom Bracket Height
267mm
Chainstay Length
410mm
Chainstay Length Horizontal
403.6mm
Front-Center
573.9mm
Front-Center Horizontal
569.4mm
Wheelbase
973mm
Fork Offset/Rake
44mm
Fork Length (Axle-To-Crown)
372mm
Trail
58.3mm
mid/​neutral
Mechanical Trail
55.7mm
Wheel Flop
16.4mm
Tire to Pedal Spindle Distance
With 170 mm cranks
64.9mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
97mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1651mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Rim

Published Sizing Recommendations

Height
170 cm
to
180 cm
Source:https://mp.weixin.qq.com/s/1tTF6ryX5Hz-rCWaa0TTHw