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Ridley Fenix SLiC geometryRoad · 2024 · 5 sizes, from XS to XL

The Ridley Fenix SLiC is a road bike available in 5 sizes, from XS to XL. Stack ranges from 517 to 615 mm and reach from 377 to 409 mm. Its position sits between racing and endurance.

Stack517–615mm
Reach377–409mm
Head angle72.0–74.0°
Chainstay length410–413mm
High BBQuick steeringSlack seat angle

What size Fenix SLiC 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.

Compare on Fitbikefy →
XSS 517 · R 377
SS 541 · R 385
MS 565 · R 392
LS 591 · R 401
XLS 615 · R 409

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

Geometry chart by size

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

SizeXSSMLXL
Stack517541565591615
Reach377385392401409
Effective top tube525545565587603
Head tube length117140164194218
Head angle72.0°73.0°73.5°73.5°74.0°
Chainstay length410410410413413
Wheelbase9759829921,0121,022
BB drop6866666363
Standover768795823853880
Seat tube (method not stated)464492522549579
Seat angle (method not stated)74.0°73.5°73.0°72.5°72.5°

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

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Ridley Fenix SLiC 2024

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Stack and reach of every size

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

350360370380390400410420430480500520540560580600620640660reach (mm) →↑ stack (mm)XSSMLXL

Character of each size

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

XS
S
M
L
XL
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
Factor OSTRO VAM · 562026±0 mm±0 mmCompare →
Ridley Fenix Disc · M2024±0 mm±0 mmCompare →
Cervélo S5 · 562026±0 mm±0 mmCompare →
BMC Teammachine SLR · 562027±0 mm±0 mmCompare →
Giant Propel Advanced SL · M/L2027±0 mm±0 mmCompare →
Giant Propel Advanced · M/L2027±0 mm±0 mmCompare →
Fenix SLiC or OSTRO VAM? In size M they have exactly the same stack and reach (565 / 392 mm): the difference is in the frame and build, not the position.

Frequently asked questions

What size Fenix SLiC 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 517/377 mm in size XS to 615/409 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 Fenix SLiC in size M?

Stack of 565 mm and reach of 392 mm, with an effective top tube of 565 mm and a head angle of 73.5°.

Is the Fenix SLiC a racing or an endurance bike?

In between. In size M its stack-to-reach ratio is at percentile 49 of road bikes: neither very low nor very tall.

Does it have the same geometry as the OSTRO VAM?

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.