Quiver

Specialized2018

2018 Specialized Tarmac Disc

Road

The 2018 Specialized Tarmac Disc sits more aggressive than most road bikes, with a longer rear center. Reach 365 to 408 mm, stack 500 to 612 mm.

Source: specialized.com. Checked .

Key facts

Model
Tarmac
Model year
2018
Frame
Disc
Type
Road
Geometry
Complete for every size
Source
specialized.com
Checked

Geometry by size

2018 Specialized Tarmac Disc geometry drawing, size 54Side view of the 2018 Specialized Tarmac Disc frame in size 54, drawn to scale from its published geometry, with lettered dimension lines.J 978A 384mmB 544mmJ 978mmH 410mmK 72mmC 540mmD 73.0°E 74.0°F 143mmG 481mmN 268mmL 775mmM 363mm
Geometry drawing, size 54, to scale.
2018 Specialized Tarmac Disc geometry by size
Measurement44495254565861
Reach(mm)365375380384395402408
Stack(mm)500514527544565591612
Head tube angle(°)70.571.7572.57373.573.574
Seat tube angle(°)7675.5747473.573.573
Effective top tube(mm)490508531540562577595
Chainstay length(mm)410410410410410410410
Wheelbase(mm)96997397597899010051012
BB drop(mm)74747472727272
BB height(mm)266266266268268268268
Standover(mm)730740755775795826850
Seat tube length(mm)400431462481501522553
Fork length(mm)363363363363363363363
Head tube length(mm)105115126143163190210

Stock build

1 partFrameset only

Frame

Specialized S-Works Tarmac SL6
Frame

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Quick answers

Which size or configuration labels have geometry for the 2018 Specialized Tarmac Disc?
Geometry is listed for 44, 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2018 Specialized Tarmac Disc in size 54?
In size 54, reach is 384 mm and stack is 544 mm.
What is the head tube angle of the 2018 Specialized Tarmac Disc?
The head tube angle is 73 degrees in size 54.
What does the 2018 Specialized Tarmac S-Works Disc ship with?
The stock build includes Specialized S-Works Tarmac SL6.
Which years of the Specialized Tarmac are on Quiver?
Quiver has the Specialized Tarmac for 2018, 2026, 2020, 2019, 2017, 2016, 2015, 2012, 2011, 2010, 2009, 2008, and 2007.

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