Bike Comparison
    PORTAL A22019 Jamis
    Recommended
    MSRP
    $2,999
    Where to Buy
    —
    $1

    At

    Category
    		Trail
    Weight
    		32.5 lbs
    4.9
    Frame
    		Aluminum
    Fork
    		RockShox Revelation RC
    Shock
    		RockShox Deluxe R
    Wheels
    		Aluminum
    Wheel Size
    		29″
    Brakes
    		Hydraulic Disc
    Motor
    Battery
    Groupset
    		SLX, Race Face
    Drivetrain
    		1 × 11
    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 upper mid-range 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 A22019 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 R DebonAir shock, 10mm hardware, replaceable derailleur hanger

    BB Standard: BSA, 73mm, Threaded

    Fork

    Rock Shox Revelation RC 29”,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 35mm stanchions, 130mm travel

    Shock

    Rock Shox Deluxe R DebonAir, 10mm hardware

    Bottom Bracket

    Race Face BSA

    Headset

    FSA Orbit 1.5 I.S. integrated cup, 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 E10i Internal Dropper, Southpaw remote

    Pedals

    N/A

    Grips

    Jamis Lock-On

    Groupset
    Rear Derailleur

    Shimano SLX Shadow Plus, 11-speed

    Crank

    Race Face Ride, 32T

    Shifters

    Shimano SLX, 1x11-speed

    Cassette

    Shimano M7000, 11-speed, 11-46T

    Chain

    KMC X11, 11-speed

    Chain Guide

    None included (custom Jamis upper mounts)

    Brakes

    Shimano MT500 hydraulic disc, 180mm 6-bolt rotors

    Brake Levers

    Shimano MT500

    Wheels
    Rims

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

    Spokes

    Stainless

    Front Hub

    Formula sealed bearing, 6-bolt, 15x110mm front, 12x148mm rear

    Rear Hub

    Formula sealed bearing, 6-bolt, 15x110mm front, 12x148mm rear

    Tires

    Vittoria Martello 29 x 2.35”, TNT tubeless

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