Quiver

Jamis2020

2020 Jamis COMMUTER 2

Reach 398 to 411 mm, stack 566 to 666.3 mm.

Source: bikecatalogs.com. Checked .

Key facts

Brand
Jamis
Model year
2020
Geometry
Complete for every size
Checked

Geometry by size

2020 Jamis COMMUTER 2 geometry drawing, size 21"Side view of the 2020 Jamis COMMUTER 2 frame in size 21", drawn to scale from its published geometry, with lettered dimension lines.J 1092A 411mmB 633mmJ 1092mmH 445mmK 70mmC 605mmD 71.5°E 73.0°F 185mmL 809mm
Geometry drawing, size 21", to scale.
2020 Jamis COMMUTER 2 geometry by size
Measurement15"17"19"21"23"14" S/O18" S/O
Reach(mm)398407411411411404405
Stack(mm)570.2591.1607.3633.1666.3566579
Head tube angle(°)7070.57171.571.57071
Seat tube angle(°)73.573.573.5737374.574
Effective top tube(mm)567582591605615561571
Chainstay length(mm)445445445445445445445
Wheelbase(mm)1073108410891092110310771073
BB drop(mm)70707070707070
Standover(mm)704740772809846643659
Head tube length(mm)125145160185220120130

Stock build

7 parts

Suspension

Drivetrain

Shimano Acera M310 RapidFire Plus
ShifterFrom the manufacturer: Speeds 8
Shimano HG41 8-speed
CassetteFrom the manufacturer: Speeds 8
Chain

Cockpit

Seatpost & Saddle

Keep your COMMUTER 2 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Manufacturer

Quick answers

Which size or configuration labels have geometry for the 2020 Jamis COMMUTER 2?
Geometry is listed for 15", 17", 19", 21", 23", 14" S/O, and 18" S/O.
What are the reach and stack of the 2020 Jamis COMMUTER 2 in size 21"?
In size 21", reach is 411 mm and stack is 633.1 mm.
What is the head tube angle of the 2020 Jamis COMMUTER 2?
The head tube angle is 71.5 degrees in size 21".
What does the 2020 Jamis COMMUTER 2 ship with?
The stock build includes Jamis City/Cross steel unicrown, Shimano Acera M310 RapidFire Plus, Jamis ARC, and Jamis alloy micro-adjust.
Which years of the Jamis COMMUTER 2 are on Quiver?
Quiver has the Jamis COMMUTER 2 for 2020 and 2019.

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet

Quiver keeps track of the bikes you own.

Free on App StoreFree on Google Play