Which size or configuration labels have geometry for the 2012 Trek 4900 Disc?

Geometry is listed for 13", 16", 18", 19.5", 21", and 22.5".

What is the head tube angle of the 2012 Trek 4900 Disc?

The head tube angle is 70.5 degrees in size 19.5".

What does the 2012 Trek 4900 Disc ship with?

The stock build includes Trek Alpha Gold, SR Suntour XCR-RL, Shimano Deore M591, and Shimano RM66.

Which years of the Trek 4900 Disc are on Quiver?

Quiver has the Trek 4900 Disc for 2012, 2013, and 2004.

2012

2012 Trek 4900 Disc

The 4900 Disc build comes with Shimano Deore shifting and Shimano RM66 wheels.

Compare geometry

Source: trekbikes.com. Checked Oct 12, 2026.

Key facts

Brand: Trek
Model: 4900 Disc
Model year: 2012
Geometry labels: 13", 16", 18", 19.5", 21", and 22.5"
Drivetrain: Shimano Deore
Fork: SR Suntour XCR-RL
Wheels: Shimano RM66
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 12, 2026

Geometry by size

2012 Trek 4900 Disc geometry by size
Measurement	13"	16"	18"	19.5"	21"	22.5"
Head tube angle(°)	70.0	70.5	70.5	70.5	70.5	70.5
Effective top tube(mm)	523	553	568	583	593	603
Chainstay length(mm)	430	430	430	430	430	430
Wheelbase(mm)	1021	1042	1059	1069	1080	1086
BB drop(mm)	46	42	40	40	40	38
BB height(mm)	287	291	293	293	293	295
Standover(mm)	710	742	776	803	831	860
Seat tube length(mm)	330	406	457	495	533	572
Head tube length(mm)	110	110	130	150	170	190

How to read a geometry chart

Stock build

12 parts

Frame

Trek Alpha Gold

Frame

Suspension

SR Suntour XCR-RL

Fork

Drivetrain

Shimano Deore M591

ShifterSpeeds 10

Shimano Deore

Derailleur

Shimano Deore M663 Shadow

Derailleur

Shimano HG62-10

CassetteSpeeds 10

Shimano Deore M522

Crankset

Wheels & Tires

Shimano RM66

Wheelset

Bontrager XR2

Tire

Brakes

Shimano Deore M446

Brake

Seatpost & Saddle

Bontrager SSR

Seatpost

Bontrager Evoke 1

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2012 Trek 4900 Disc?: Geometry is listed for 13", 16", 18", 19.5", 21", and 22.5".
What is the head tube angle of the 2012 Trek 4900 Disc?: The head tube angle is 70.5 degrees in size 19.5".
What does the 2012 Trek 4900 Disc ship with?: The stock build includes Trek Alpha Gold, SR Suntour XCR-RL, Shimano Deore M591, and Shimano RM66.
Which years of the Trek 4900 Disc are on Quiver?: Quiver has the Trek 4900 Disc for 2012, 2013, and 2004.