Which size or configuration labels have geometry for the 2017 Specialized Ruby SL4 Rim Brake?

Geometry is listed for 44, 48, 51, 54, and 57.

What are the reach and stack of the 2017 Specialized Ruby SL4 Rim Brake in size 51?

In size 51, reach is 370 mm and stack is 544 mm.

What is the head tube angle of the 2017 Specialized Ruby SL4 Rim Brake?

The head tube angle is 71.5 degrees in size 51.

What does the 2017 Specialized Ruby SL4 Rim Brake ship with?

The stock build includes Specialized Ruby FACT, Shimano Tiagra, Specialized AXIS Elite, and Specialized Axis 1.0.

Which years of the Specialized Ruby are on Quiver?

Quiver has the Specialized Ruby for 2017, 2019, 2018, 2016, 2015, 2014, 2012, 2011, 2010, 2009, and 2008.

2017

2017 Specialized Ruby SL4 Rim Brake

Reach 358 to 390 mm, stack 516 to 588 mm. The Ruby SL4 Rim Brake build comes with Shimano Tiagra shifting and Specialized AXIS Elite wheels.

Compare geometry

Source: specialized.com. Checked Oct 22, 2026.

Key facts

Brand: Specialized
Model: Ruby
Model year: 2017
Frame: SL4 Rim Brake
Geometry labels: 44, 48, 51, 54, and 57
Drivetrain: Shimano Tiagra
Fork: Specialized Ruby FACT
Wheels: Specialized AXIS Elite
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size 51, to scale.

2017 Specialized Ruby SL4 Rim Brake geometry by size
Measurement	44	48	51	54	57
Reach(mm)	358	370	370	374	390
Stack(mm)	516	529	544	566	588
Head tube angle(°)	70.25	71.25	71.5	72	72
Seat tube angle(°)	74.5	74.5	74	74	73.5
Effective top tube(mm)	501	517	526	536	564
Chainstay length(mm)	412	415	415	415	417
Wheelbase(mm)	977	987	990	994	1020
BB drop(mm)	73	73	73	73	71.5
BB height(mm)	269.5	269.5	269.5	269.5	271
Standover(mm)	702	721	740	768	792
Seat tube length(mm)	363	391.5	421.5	456.5	486.5
Fork length(mm)	368	368	368	368	368
Head tube length(mm)	120	130	145	165	190

How to read a geometry chart

Stock build

11 parts

Suspension

Specialized Ruby FACT

Fork

Drivetrain

Shimano Tiagra

ShifterSpeeds 10

Shimano Tiagra

DerailleurMaximum cog 32 tActuation type Mechanical

Shimano Tiagra

CassetteSpeeds 10Range 11-34

KMC X-10

ChainSpeeds 10

Praxis Alba

CranksetChainring interface compactCrank length 160 / 165 / 170 / 172.5 / 175mmWeight ~820 g

Wheels & Tires

Specialized AXIS Elite

Wheelset

Specialized Espoir Elite

Tire

Brakes

Specialized Axis 1.0

BrakePiston count 1

Seatpost & Saddle

Specialized CG-R

Seatpost

Specialized Riva Comp Plus

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2017 Specialized Ruby SL4 Rim Brake?: Geometry is listed for 44, 48, 51, 54, and 57.
What are the reach and stack of the 2017 Specialized Ruby SL4 Rim Brake in size 51?: In size 51, reach is 370 mm and stack is 544 mm.
What is the head tube angle of the 2017 Specialized Ruby SL4 Rim Brake?: The head tube angle is 71.5 degrees in size 51.
What does the 2017 Specialized Ruby SL4 Rim Brake ship with?: The stock build includes Specialized Ruby FACT, Shimano Tiagra, Specialized AXIS Elite, and Specialized Axis 1.0.
Which years of the Specialized Ruby are on Quiver?: Quiver has the Specialized Ruby for 2017, 2019, 2018, 2016, 2015, 2014, 2012, 2011, 2010, 2009, and 2008.