Giant Propel Advanced SL geometryRoad · 2027 · 6 sizes, from XS to XL

The Giant Propel Advanced SL is a road bike available in 6 sizes, from XS to XL. Stack ranges from 515 to 596 mm and reach from 377 to 412 mm. Its geometry is low and long, with a racing fit. All sizes share 405 mm chainstays.

Stack515–596mm

Reach377–412mm

Head angle71.5–73.0°

Chainstay length405mm

Agile rearLively

What size Propel Advanced SL do I need?

Enter the stack and reach of a bike that fits you well and we will tell you which size is closest and how to set it up.

Stack in mm Reach in mm Compare on Fitbikefy →

XSS 515 · R 377

SS 530 · R 383

MS 546 · R 388

M/LS 565 · R 392

LS 582 · R 402

XLS 596 · R 412

Enter your stack and reach to see which size fits you best.

Geometry chart by size

Measurements in mm and degrees, as published by Giant. The ones that matter most for choosing a size are in bold.

Size	XS	S	M	M/L	L	XL
Stack	515	530	546	565	582	596
Reach	377	383	388	392	402	412
Head tube length	115	127	145	165	185	200
Head angle	71.5°	72.5°	73.0°	73.0°	73.0°	73.0°
Chainstay length	405	405	405	405	405	405
Wheelbase	971	973	980	990	1,006	1,020
BB drop	72	72	70	70	67	67
Fork offset	45	45	45	45	45	45
Trail	68	61	58	58	58	58
Standover	746	764	787	808	832	847
Top tube (method not stated)	520	535	550	565	580	600
Seat tube (method not stated)	680	710	740	770	800	830
Seat angle (method not stated)	74.5°	74.0°	73.5°	73.0°	73.0°	72.5°

Source: Giant official website · data from 11 Nov 2026.

Stack and reach of every size

Higher means a taller front end; further right means a longer reach. The blue dot is your search.

Character of each size

Compared with other road bikes. Further right means more of that quality.

M/L

Positionracing → relaxed

Steeringcalm → quick

Pedallingrearward → forward

Bottom brackethigh → low

Wheelbaselively → planted

Rear endstable → agile

Bikes with similar geometry (size M)

The closest size of other road models, by stack and reach.

ModelΔ stackΔ reach

Van Rysel RCR · M2026±0 mm±0 mmCompare →

Van Rysel RCR PRO · M2026±0 mm±0 mmCompare →

Giant Propel Advanced · M2027±0 mm±0 mmCompare →

Giant TCR Advanced SL · M2027−1 mm±0 mmCompare →

Giant TCR Advanced · M2027−1 mm±0 mmCompare →

Cannondale SuperSix EVO Gen 5 · 542027−1 mm−1 mmCompare →

Propel Advanced SL or RCR? In size M they have exactly the same stack and reach (546 / 388 mm): the difference is in the frame and build, not the position.

Frequently asked questions

What size Propel Advanced SL do I need?

It depends on your position, not just your height. The most reliable way is to compare the stack and reach of a bike that fits you with those of each size (from 515/377 mm in size XS to 596/412 mm in size XL). The size finder on this page shows the closest size and the stem and spacers you would need.

What are the stack and reach of the Propel Advanced SL in size M?

Stack of 546 mm and reach of 388 mm.

Is the Propel Advanced SL a racing or an endurance bike?

Racing. In size M its stack-to-reach ratio is at percentile 30 of road bikes: a low, stretched position.

Does it have the same geometry as the RCR?

In size M, yes: same stack and reach. If one already fits you, the same size of the other will put you in the same position.