Bike Comparison
    PORTAL A22020 Jamis
    Recommended
    MSRP
    $2,999
    Where to Buy
    —
    $1

    At

    Category
    		Trail
    Weight
    		33.5 lbs
    5.3
    Frame
    		Aluminum
    Fork
    		RockShox Revelation RC
    Shock
    Wheels
    		Aluminum
    Wheel Size
    		29″
    Brakes
    		Hydraulic Disc
    Motor
    Battery
    Groupset
    		SX Eagle, X1
    Drivetrain
    		1 × 12
    Suspension
    		Full
    Front Travel
    		130mm
    Rear Travel
    		130mm
    Brand Site

    jamisbikes.com

    Summary
    		The Jamis PORTAL A2 is a 29″ aluminum frame full suspension trail bike with high-end components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    PORTAL A2
    Other Trail bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    25 mph

    PORTAL A2

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    PORTAL A22020 Jamis
    Frame

    Triple-butted 6061 aluminum, 130mm travel 3VO suspension, Enduro® Max sealed bearing pivots, 1.5 - 1 1/8” tapered head tube, 12x148mm thru-axle, Internal dropper post routing, Custom Jamis upper chainguide mounts, ISCG05 lower chainguide mounts, Rock Shox Deluxe Select R DebonAir shock, 10mm hardware, replaceable derailleur hanger

    Fork

    Rock Shox Revelation RC 29",15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 130mm travel

    Bottom Bracket

    SRAM DUB

    Headset

    FSA Orbit IS Integrated, 8mm cone spacer

    Stem

    Race Face Ride, 50mm extension, 35mm clamp diameter

    Handlebar

    Race Face Ride, 760mm x 20mm rise, 35mm diameter

    Saddle

    WTB Volt

    Seatpost

    KS Rage Dropper, Southpaw remote

    Pedals

    N/A

    Grips

    Jamis Lock-On

    Groupset
    Rear Derailleur

    SRAM SX Eagle, 12-speed

    Crank

    SRAM X1 Eagle, 32T

    Shifters

    SRAM SX Eagle, 1x12-speed

    Cassette

    SRAM PG1210, 12-speed, 11-50T

    Chain

    SRAM SX Eagle, 12-speed

    Brakes

    Magura MT4 hydraulic disc w/HC levers, Storm HC 180mm front & 160mm rear 6-bolt rotors

    Wheels
    Rims

    WTB ST i25 TCS 29" tubeless rims, 32H, Formula sealed bearing 15x110mm front & 12x148mm rear 6-bolt disc hubs, stainless spokes

    Tires

    Vittoria Martello 29 x 2.35", TNT tubeless

    Riders Also Compared