2025 Boardman Bikes TRVL 8.9 Flat Bar

Design
Flat Bar, Rigid, suspension corrected
Frame
Aluminum
Features
Disc brake
Average stack and reachvs category
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category

Geometry

S
M
L
Stack
580mm
590mm
603mm
Reach
380mm
395mm
406mm
Stack to Reach Ratio
1.53:1
1.49:1
1.49:1
Seat Tube Length, C-T
460mm
480mm
500mm
Top Tube Length, Effective/Horizontal HT Top
545mm
565mm
585mm
Top Tube Slope
15.2deg
13.7deg
12.7deg
Head Tube Angle
70.5deg
70.5deg
70.5deg
Seat Tube Angle
74deg
74deg
73.5deg
Head Tube Length
125mm
135mm
150mm
Bottom Bracket Drop
75mm
75mm
75mm
Bottom Bracket Height
281mm
281mm
281mm
Chainstay Length
430mm
430mm
430mm
Chainstay Length Horizontal
423.4mm
423.4mm
423.4mm
Front-Center
599.3mm
614.2mm
629.1mm
Front-Center Horizontal
594.6mm
609.6mm
624.6mm
Wheelbase
1018mm
1033mm
1048mm
Fork Offset/Rake
51mm
51mm
51mm
Trail
72mm
high
72mm
high
72mm
high
Mechanical Trail
67.8mm
67.8mm
67.8mm
Wheel Flop
22.6mm
22.6mm
22.6mm
Tire to Pedal Spindle
73.3mm
170 mm cranks
88.2mm
170 mm cranks
103.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

8.9 Flat Bar Build

S
M
L
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
45mm
45mm
45mm
Tire Outer Diameter
712mm
712mm
712mm
Bike Length with Tires
1730mm
1745mm
1760mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
All-road/Gravel
Source:https://www.boardmanbikes.com/be_en/products/2410-trvl-8.9-fb.html