Manufacturer's Suggested Retail Price excludes shipping costs, dealer assembly/prep, taxes or import duties.
210mm
55mm
30mm x 10mm
20mm x 10mm
Tapered 1.125-1.5”
Integrated IS 42/28.6 IS 52/40
Threaded BSA 73mm
31.6mm
34.9mm
160mm Post Mount
Custom Jamis
ISCG05 2-Bolt
148mm
L174mm x M12 x P1.75
Rear Shock eye-to-eye length:
Rear Shock Stroke:
Shock Hardware Upper:
Shock Hardware Lower:
Head Tube:
Head Set:
Bottom Bracket Shell:
Seat Post Diameter:
Seat Post Clamp Diameter:
Rear Brake Caliper Mount:
Chain Guide Upper:
Chain Guide Lower:
Rear Hub Spacing:
Rear Axle:
PORTAL FRAMESET DETAILS
Maximum Seatpost Insertion
What size should I buy?
We alway recommend getting fitted properly by an experienced bicycle retailer. Below is our recommendation for the majority of riders.
RIDER HEIGHT
4ft 6in - 5ft
5ft - 5ft 6in
5ft 6in - 5ft 9in
5ft 9in - 6ft 1in
6ft 1in - 6ft 4in
BIKE SIZE
XS (14.5")
SM (15.5")
MD (17")
LG (19")
XL (21")
SIZE/ST LENGTH
S/15.5/394
MD/17.0/431
LG/19.0/483
XL/21.0/533
TT EFFECTIVE
23.0 / 585
24.0 / 610
25.0 / 635
26.0 / 660
HT ANGLE
LO 67.5° HI 68°
LO 67.5° HI 68°
LO 67.5° HI 68°
LO 67.5° HI 68°
ST ANGLE
LO 74.5° HI 75°
LO 74.5° HI 75°
LO 74.5° HI 75°
LO 74.5 HI 75°
CHAINSTAY
17.2 / 437
17.2 / 437
17.2 / 437
17.2 / 437
WHEELBASE
45.2 / 1148
46.2 / 1173
47.2 / 1198
48.2 / 1224
BB DROP
LO 1.3 / 33 HI 1.0 / 26
LO 1.3 / 33 HI 1.0 / 26
LO 1.3 / 33 HI 1.0 / 26
LO 1.3 / 33 HI 1.0 / 26
HEADTUBE
4.1 / 105
4.5 / 115
4.9 / 125
5.3 / 135
STANDOVER
LO 29.7 / 754 HI 29.9 / 761
LO 29.5 / 749 HI 29.8 / 756
LO 29.7 / 754 HI 29.9 / 761
LO 30.5 / 774 HI 30.7 / 781
STACK
23.9 / 606
24.2 / 615
24.6 / 625
24.9 / 634
REACH
16.5 / 418
17.3 / 439
18.2 / 461
18.9 / 482
SPECIFICATIONS
FIT & SIZING
VIDEOS
PRESS
Features and Specifications subject to change without notice.
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© Jamis Bikes. All rights reserved.
Specifications are subject to change without notice.
All bike and frame weights are based off pre-production painted frames. Weights may vary in final production.
Jamis is not responsible for typos or misprints.
Always ride safely and within limitations. Always obey all local traffic, safety and land access laws and always wear a helmet.
CPSC equipment is included with all new bicycles but not necessarily shown here. All action and lifestyle photography used by permission.