2021 Transition Bikes Spire Base XXL Low

Build

700C/29 in × 2.4 in

Insights

Average stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Design deviates from other sizes of Transition Bikes Spire
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
651mm
Reach
530mm
Stack to Reach Ratio
1.23:1
Seat Tube Length, Unknown
490mm
Top Tube Length, Effective/Horizontal Unknown
664mm
Head Tube Angle
62.5deg
Effective Seat Tube Angle, Unknown
76.7deg
Head Tube Length
130mm
Bottom Bracket Drop
32mm
Bottom Bracket Height
340mm
Chainstay Length
454mm
Chainstay Length Horizontal
452.9mm
Front-Center
901.7mm
Front-Center Horizontal
901.1mm
Wheelbase
1354mm
Fork Offset/Rake
44mm
Fork Length (Axle-To-Crown)
584mm
Trail
144mm
very high
Mechanical Trail
127.8mm
Wheel Flop
59mm
Standover Height
740mm
Tire to Pedal Spindle Distance
With 165 mm cranks
364.7mm
Pedal Spindle to Ground Clearance
With 165 mm cranks
175mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.4in
Tire Outer Diameter
743.9mm
Bike Length with Tires
2097.9mm
Crank Length
165mm
Handlebar Width
800mm
Stem Length
40mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
170mm
Rear Travel
170mm
Suspension Sag
Unknown
Frame Material
Unknown
Fork Material
Unknown
Brake Type
Disc

Published Sizing Recommendations

Height
6 ft 3 in
to
6 ft 8 in
Source:https://www.transitionbikes.com/Bikes_Spire.cfm