bike geometry

Avant 2026

Name: Avant 2026
Brand: Orbea

Compare size-specific bike geometry, including reach, stack, angles, wheelbase and the measurements that influence fit and handling.

Orbea › Avant › Standard › Avant

Avant geometry measurements

Choose the recorded size and configuration. Geometry figures can change by size; RideDNA does not collapse those values into one misleading answer.

What is the reach of the Avant?

Reach is the horizontal distance from the bottom bracket to the top of the head tube. Also searched as frame reach.

Configuration	Size	Reach	Source
Avant geometry	47	368.3 mm	RideDNA-derived
Avant geometry	51	378.3 mm	RideDNA-derived
Avant geometry	49	373.7 mm	RideDNA-derived
Avant geometry	53	386.4 mm	RideDNA-derived
Avant geometry	55	392.7 mm	RideDNA-derived
Avant geometry	57	397.3 mm	RideDNA-derived
Avant geometry	60	403.2 mm	RideDNA-derived

What is the stack of the Avant?

Stack is the vertical distance from the bottom bracket to the top of the head tube. Also searched as frame stack.

Configuration	Size	Stack	Source
Avant geometry	47	528.9 mm	RideDNA-derived
Avant geometry	51	568.5 mm	RideDNA-derived
Avant geometry	49	548.7 mm	RideDNA-derived
Avant geometry	53	588.7 mm	RideDNA-derived
Avant geometry	55	608.4 mm	RideDNA-derived
Avant geometry	57	628.2 mm	RideDNA-derived
Avant geometry	60	648.5 mm	RideDNA-derived

What is the effective top tube of the Avant?

Effective top tube is the horizontal distance between the head-tube and seat-tube centerlines. Also searched as ETT, virtual top tube, horizontal top tube.

Configuration	Size	Effective top tube	Source
Avant geometry	47	515 mm	RideDNA-derived
Avant geometry	51	544 mm	RideDNA-derived
Avant geometry	49	531 mm	RideDNA-derived
Avant geometry	53	558 mm	RideDNA-derived
Avant geometry	55	570 mm	RideDNA-derived
Avant geometry	57	587 mm	RideDNA-derived
Avant geometry	60	599 mm	RideDNA-derived

What is the head tube angle of the Avant?

Head tube angle describes the steering-axis angle relative to the ground. Also searched as HTA, head angle, steering angle.

Configuration	Size	Head tube angle	Source
Avant geometry	47	70.5 °	RideDNA-derived
Avant geometry	51	71.5 °	RideDNA-derived
Avant geometry	49	71 °	RideDNA-derived
Avant geometry	53	71.8 °	RideDNA-derived
Avant geometry	55	72 °	RideDNA-derived
Avant geometry	57	72.2 °	RideDNA-derived
Avant geometry	60	72.5 °	RideDNA-derived

What is the seat tube angle of the Avant?

Seat tube angle describes the seat-tube angle relative to the ground. Also searched as STA, seat angle, effective seat angle.

Configuration	Size	Seat tube angle	Source
Avant geometry	47	74.5 °	RideDNA-derived
Avant geometry	51	73.75 °	RideDNA-derived
Avant geometry	49	74 °	RideDNA-derived
Avant geometry	53	73.75 °	RideDNA-derived
Avant geometry	55	73.75 °	RideDNA-derived
Avant geometry	57	73.2 °	RideDNA-derived
Avant geometry	60	73.2 °	RideDNA-derived

What is the wheelbase of the Avant?

Wheelbase is the distance between the front and rear wheel axles. Also searched as axle-to-axle length.

Configuration	Size	Wheelbase	Source
Avant geometry	47	993.7 mm	RideDNA-derived
Avant geometry	51	1007.8 mm	RideDNA-derived
Avant geometry	49	1001.3 mm	RideDNA-derived
Avant geometry	53	1019.6 mm	RideDNA-derived
Avant geometry	55	1031.3 mm	RideDNA-derived
Avant geometry	57	1040.2 mm	RideDNA-derived
Avant geometry	60	1049.2 mm	RideDNA-derived

What is the chainstay length of the Avant?

Chainstay length, also called rear center, is the distance from the bottom bracket to the rear axle. Also searched as Chainstay, rear center, rear centre.

Configuration	Size	Chainstay length	Source
Avant geometry	47	412.7 mm	RideDNA-derived
Avant geometry	51	412.7 mm	RideDNA-derived
Avant geometry	49	412.7 mm	RideDNA-derived
Avant geometry	53	412.7 mm	RideDNA-derived
Avant geometry	55	413.1 mm	RideDNA-derived
Avant geometry	57	413.1 mm	RideDNA-derived
Avant geometry	60	413.1 mm	RideDNA-derived

What is the bottom bracket height of the Avant?

Bottom bracket height is the vertical distance from the ground to the bottom bracket. Also searched as BB height.

Configuration	Size	Bottom bracket height	Source
Avant geometry	47	263 mm	RideDNA-derived
Avant geometry	51	263 mm	RideDNA-derived
Avant geometry	49	263 mm	RideDNA-derived
Avant geometry	53	263 mm	RideDNA-derived
Avant geometry	55	265 mm	RideDNA-derived
Avant geometry	57	265 mm	RideDNA-derived
Avant geometry	60	265 mm	RideDNA-derived

What is the front center of the Avant?

Front center is the distance from the bottom bracket to the front wheel axle. Also searched as front centre.

Configuration	Size	Front center	Source
Avant geometry	47	586.2 mm	RideDNA-derived
Avant geometry	51	600.2 mm	RideDNA-derived
Avant geometry	49	593.8 mm	RideDNA-derived
Avant geometry	53	611.9 mm	RideDNA-derived
Avant geometry	55	622.9 mm	RideDNA-derived
Avant geometry	57	631.7 mm	RideDNA-derived
Avant geometry	60	640.7 mm	RideDNA-derived

What is the fork offset of the Avant?

Fork offset is the perpendicular distance between the steering axis and the front axle. Also searched as fork rake, rake.

Configuration	Size	Fork offset	Source
Avant geometry	47	50 mm	RideDNA-derived
Avant geometry	51	50 mm	RideDNA-derived
Avant geometry	49	50 mm	RideDNA-derived
Avant geometry	53	50 mm	RideDNA-derived
Avant geometry	55	50 mm	RideDNA-derived
Avant geometry	57	50 mm	RideDNA-derived
Avant geometry	60	50 mm	RideDNA-derived

What is the head tube length of the Avant?

Head tube length is the measured length of the frame's head tube. Also searched as Head tube, head tube.

Configuration	Size	Head tube length	Source
Avant geometry	47	111 mm	RideDNA-derived
Avant geometry	51	149 mm	RideDNA-derived
Avant geometry	49	130 mm	RideDNA-derived
Avant geometry	53	169 mm	RideDNA-derived
Avant geometry	55	191 mm	RideDNA-derived
Avant geometry	57	211 mm	RideDNA-derived
Avant geometry	60	231 mm	RideDNA-derived

What is the seat tube length of the Avant?

Seat tube length is the recorded length of the frame's seat tube; measurement conventions can differ by manufacturer. Also searched as Seat tube, seat tube, frame size.

Configuration	Size	Seat tube length	Source
Avant geometry	47	420 mm	RideDNA-derived
Avant geometry	51	470 mm	RideDNA-derived
Avant geometry	49	445 mm	RideDNA-derived
Avant geometry	53	495 mm	RideDNA-derived
Avant geometry	55	520 mm	RideDNA-derived
Avant geometry	57	545 mm	RideDNA-derived
Avant geometry	60	575 mm	RideDNA-derived

What is the standover height of the Avant?

Standover height is the ground-to-top-tube height at the manufacturer's stated measurement point. Also searched as Standover, stand over height, standover clearance.

Configuration	Size	Standover height	Source
Avant geometry	47	703.3 mm	RideDNA-derived
Avant geometry	51	746.5 mm	RideDNA-derived
Avant geometry	49	724.8 mm	RideDNA-derived
Avant geometry	53	768.5 mm	RideDNA-derived
Avant geometry	55	792.4 mm	RideDNA-derived
Avant geometry	57	813.6 mm	RideDNA-derived
Avant geometry	60	838.1 mm	RideDNA-derived

What is the fork length of the Avant?

Fork length is the axle-to-crown distance recorded for the fork. Also searched as axle to crown, A2C.

Configuration	Size	Fork length	Source
Avant geometry	47	385 mm	RideDNA-derived
Avant geometry	51	385 mm	RideDNA-derived
Avant geometry	49	385 mm	RideDNA-derived
Avant geometry	53	385 mm	RideDNA-derived
Avant geometry	55	385 mm	RideDNA-derived
Avant geometry	57	385 mm	RideDNA-derived
Avant geometry	60	385 mm	RideDNA-derived

What is the wheel flop of the Avant?

Wheel flop is a calculated steering-geometry value based on trail and head tube angle. Also searched as flop.

Configuration	Size	Wheel flop	Source
Avant geometry	47	21.3 mm	RideDNA-derived
Avant geometry	51	18.5 mm	RideDNA-derived
Avant geometry	49	19.9 mm	RideDNA-derived
Avant geometry	53	17.6 mm	RideDNA-derived
Avant geometry	55	17.1 mm	RideDNA-derived
Avant geometry	57	16.6 mm	RideDNA-derived
Avant geometry	60	15.8 mm	RideDNA-derived

Geometry

Available sizes: 47, 51, 49, 53, 55, 57, 60.

Avant geometry

Jump to size: 47 · 49 · 51 · 53 · 55 · 57 · 60

Avant geometry geometry by size
Size	Reach	Stack	ETT	HTA	STA	Trail	Wheelbase	Chainstay	BB drop	BB height	Front center	Fork offset	Head tube	Seat tube	Standover	Fork length	Wheel flop	Max tire
47	368.3 mm	528.9 mm	515 mm	70.5 °	74.5 °	—	993.7 mm	412.7 mm	—	263 mm	586.2 mm	50 mm	111 mm	420 mm	703.3 mm	385 mm	21.3 mm	—
49	373.7 mm	548.7 mm	531 mm	71 °	74 °	—	1001.3 mm	412.7 mm	—	263 mm	593.8 mm	50 mm	130 mm	445 mm	724.8 mm	385 mm	19.9 mm	—
51	378.3 mm	568.5 mm	544 mm	71.5 °	73.75 °	—	1007.8 mm	412.7 mm	—	263 mm	600.2 mm	50 mm	149 mm	470 mm	746.5 mm	385 mm	18.5 mm	—
53	386.4 mm	588.7 mm	558 mm	71.8 °	73.75 °	—	1019.6 mm	412.7 mm	—	263 mm	611.9 mm	50 mm	169 mm	495 mm	768.5 mm	385 mm	17.6 mm	—
55	392.7 mm	608.4 mm	570 mm	72 °	73.75 °	—	1031.3 mm	413.1 mm	—	265 mm	622.9 mm	50 mm	191 mm	520 mm	792.4 mm	385 mm	17.1 mm	—
57	397.3 mm	628.2 mm	587 mm	72.2 °	73.2 °	—	1040.2 mm	413.1 mm	—	265 mm	631.7 mm	50 mm	211 mm	545 mm	813.6 mm	385 mm	16.6 mm	—
60	403.2 mm	648.5 mm	599 mm	72.5 °	73.2 °	—	1049.2 mm	413.1 mm	—	265 mm	640.7 mm	50 mm	231 mm	575 mm	838.1 mm	385 mm	15.8 mm	—

Length measurements are in millimeters; HTA and STA are in degrees. ETT means effective top tube.

Size-to-size changes

Differences are calculated from the recorded values; they are not fit recommendations.

Avant geometry: 47 → 49 — Reach +5.4 mm, Stack +19.8 mm, ETT +16 mm, HTA +0.5 °, STA -0.5 °, Wheelbase +7.6 mm, Chainstay +0 mm, BB height +0 mm, Front center +7.6 mm, Fork offset +0 mm, Head tube +19 mm, Seat tube +25 mm, Standover +21.5 mm, Fork length +0 mm, Wheel flop -1.4 mm
Avant geometry: 49 → 51 — Reach +4.6 mm, Stack +19.8 mm, ETT +13 mm, HTA +0.5 °, STA -0.25 °, Wheelbase +6.5 mm, Chainstay +0 mm, BB height +0 mm, Front center +6.4 mm, Fork offset +0 mm, Head tube +19 mm, Seat tube +25 mm, Standover +21.7 mm, Fork length +0 mm, Wheel flop -1.4 mm
Avant geometry: 51 → 53 — Reach +8.1 mm, Stack +20.2 mm, ETT +14 mm, HTA +0.3 °, STA +0 °, Wheelbase +11.8 mm, Chainstay +0 mm, BB height +0 mm, Front center +11.7 mm, Fork offset +0 mm, Head tube +20 mm, Seat tube +25 mm, Standover +22 mm, Fork length +0 mm, Wheel flop -0.9 mm
Avant geometry: 53 → 55 — Reach +6.3 mm, Stack +19.7 mm, ETT +12 mm, HTA +0.2 °, STA +0 °, Wheelbase +11.7 mm, Chainstay +0.4 mm, BB height +2 mm, Front center +11 mm, Fork offset +0 mm, Head tube +22 mm, Seat tube +25 mm, Standover +23.9 mm, Fork length +0 mm, Wheel flop -0.5 mm
Avant geometry: 55 → 57 — Reach +4.6 mm, Stack +19.8 mm, ETT +17 mm, HTA +0.2 °, STA -0.55 °, Wheelbase +8.9 mm, Chainstay +0 mm, BB height +0 mm, Front center +8.8 mm, Fork offset +0 mm, Head tube +20 mm, Seat tube +25 mm, Standover +21.2 mm, Fork length +0 mm, Wheel flop -0.5 mm
Avant geometry: 57 → 60 — Reach +5.9 mm, Stack +20.3 mm, ETT +12 mm, HTA +0.3 °, STA +0 °, Wheelbase +9 mm, Chainstay +0 mm, BB height +0 mm, Front center +9 mm, Fork offset +0 mm, Head tube +20 mm, Seat tube +30 mm, Standover +24.5 mm, Fork length +0 mm, Wheel flop -0.8 mm

RideDNA-derived values

These deterministic calculations use the recorded manufacturer inputs above. They are separate from manufacturer facts and are not fit recommendations.

Avant geometry size 47 stack Reach Ratio: 1.44
Avant geometry size 51 stack Reach Ratio: 1.5
Avant geometry size 49 stack Reach Ratio: 1.47
Avant geometry size 53 stack Reach Ratio: 1.52
Avant geometry size 55 stack Reach Ratio: 1.55
Avant geometry size 57 stack Reach Ratio: 1.58
Avant geometry size 60 stack Reach Ratio: 1.61