MSRP | $2,999 | $3,999 |
|---|---|---|
Where to Buy | — $1 At | — $1 At |
Category | Trail | Trail |
Weight | 32.5 lbs | 31.5 lbs |
| Aluminum | Aluminum | |
Fork | RockShox Revelation RC | Fox Rhythm Float 34 |
Shock | RockShox Deluxe R | Fox Float DPS Performance |
Wheels | Aluminum | Aluminum |
| 29″ | 27.5″ | |
Brakes | Hydraulic Disc | Hydraulic Disc |
Groupset | SLX, Race Face | XT, Race Face |
Drivetrain | 1 × 11 | 1 × 11 |
Suspension | Full | Full |
Front Travel | 130mm | 130mm |
Rear Travel | 130mm | 130mm |
Brand Site | ||
Summary | The Jamis PORTAL A2 and Jamis PORTAL A1 are both aluminum frame full suspension trail bikes. The PORTAL A2 has 29″ aluminum wheels and higher gearing, while the PORTAL A1 has 27.5″ aluminum wheels and better components. | |
Based on frame geometry and build specs.
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 | 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, Fox Float DPS Performance Series EVOL shock w/3-position compression, 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 Travel: 130mm Spring Type: Air | Fox Rhythm 34 Float 29” w/ sweep adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 130mm travel Travel: 130mm Spring Type: Air |
Shock | Rock Shox Deluxe R DebonAir, 10mm hardware | FOX Float DPS Performance EVOL, 3-position compression, 10mm hardware |
Bottom Bracket | Race Face BSA | Race Face BSA |
Headset | FSA Orbit 1.5 I.S. integrated cup, 8mm cone spacer | FSA Orbit 1.5 I.S. integrated cup, 8mm cone spacer |
Stem | Race Face Ride, 50mm extension, 35mm clamp diameter | Race Face Aeffect, 50mm extension, 35mm clamp diameter |
Handlebar | Race Face Ride, 760mm x 20mm rise, 35mm diameter | Race Face Aeffect, 780mm x 20mm rise, 35mm diameter |
Saddle | WTB Volt | WTB Volt |
Seatpost | KS E10i Internal Dropper, Southpaw remote | KS E20i Internal Dropper, Southpaw remote |
Pedals | N/A | N/A |
Grips | Jamis Lock-On | Jamis Lock-On |
Rear Derailleur | Shimano SLX Shadow Plus, 11-speed | Shimano XT Shadow Plus, 11-speed |
|---|---|---|
Crank | Race Face Ride, 32T | Race Face Aeffect, 32T |
Shifters | Shimano SLX, 1x11-speed | Shimano XT, 1x11-speed |
Cassette | Shimano M7000, 11-speed, 11-46T | Shimano M7000, 11-speed, 11-46T |
Chain | KMC X11, 11-speed | KMC X11, 11-speed |
Chain Guide | None included (custom Jamis upper mounts) | None included (custom Jamis upper mounts) |
Brakes | Shimano MT500 hydraulic disc, 180mm 6-bolt rotors | Magura Trail Sport hydraulic disc, 4-piston front/2-piston rear, Storm 180mm rotors |
Brake Levers | Shimano MT500 | Magura Trail |
Rims | WTB ST i25 TCS 29” tubeless rims, 32H, Formula sealed bearing 15x110mm front & 12x148mm rear 6-bolt disc hubs, stainless spokes | Mavic XA35 27.5” tubeless wheels, 15x110mm axle front and 12x148mm rear hubs |
|---|---|---|
Spokes | Stainless | Mavic XA35 27.5” wheelset |
Front Hub | Formula sealed bearing, 6-bolt, 15x110mm front, 12x148mm rear | Mavic XA35 27.5” wheelset, 15x110mm front, 12x148mm rear |
Rear Hub | Formula sealed bearing, 6-bolt, 15x110mm front, 12x148mm rear | Mavic XA35 27.5” wheelset, 15x110mm front, 12x148mm rear |
Tires | Vittoria Martello 29 x 2.35”, TNT tubeless | Vittoria Martello 27.5 x 2.8”, TNT tubeless |