Stratos AL 3

1899.00

  • Stratos asymmetric Hydro formed 6061 Alloy. 120mm travel, Boost 148mm. tapered headtube.
  • Rockshox Recon RL, 29", Maxle lte BOOST, Solo Air, 120mm
  • Surface 29" 23mm TR rims on SUNRingle sealed bearing hubs
  • Weight: TBA
Clear
Terms & Conditions Apply

Overview

Stratos AL 3.0 is the mountain bike recreational riders have been waiting for. Silverback’s POP geometry makes it a strong climber and a balanced confident descender. The linkage driven asymmetric single-pivot suspension is tuned for optimal small bump sensitivity and big-hit compliance without power delivery penalties. The suspension curve is designed to offer full use of available travel. The Stratos AL 3.0 is based on the groundbreaking Stratos CF race-machine but adapted to offer a more capable bike for the everyday rider. Trails, XC or marathon, the Stratos AL is the right mountain bike for the right price for the job.
Mountain Bike - Cross Country - Stratos AL 3 - Silverback Bikes

Engineering Notes

1x drivetrain specific design

Front derailleurs are dead. With that comes a wider main pivot bearing stance for increased stiffness.

1x drivetrain specific design

Front derailleurs are dead. With that comes a wider main pivot bearing stance for increased stiffness.

Asymmetric 6061 Alloy frame

Asymmetric tubes allow for the dispersion of shock forces between the top tube and downtube. At the riding sag point most of the shock forces are directed along the top tube. At suspension bottom-out, the rear shock rotates and shock forces are split between the top tube and downtube via the single sided support strut. Smooth welds create the great look and smooth lines of carbon fibre, without the cost implications.

Asymmetric 6061 Alloy frame

Asymmetric tubes allow for the dispersion of shock forces between the top tube and downtube. At the riding sag point most of the shock forces are directed along the top tube. At suspension bottom-out, the rear shock rotates and shock forces are split between the top tube and downtube via the single sided support strut. Smooth welds create the great look and smooth lines of carbon fibre, without the cost implications.

Burst Pivot suspension

BURST Pivot is the XC/Light Trail implementation of our popular BURST platforms. It combines great pedaling performance with a progressive endstroke to create a platform that reacts intuitively to different circumstances. Seatstay mounted pivots - Large bearings near the dropouts ensure a good service life.

Burst Pivot suspension

BURST Pivot is the XC/Light Trail implementation of our popular BURST platforms. It combines great pedaling performance with a progressive endstroke to create a platform that reacts intuitively to different circumstances. Seatstay mounted pivots - Large bearings near the dropouts ensure a good service life.

Dropper post ready/compatible

With dropper posts becoming standard on all disciplines of mountain biking, this was a no-brainer; what's more interesting is where this technology is headed. Stratos can accomodate much longer droppers, giving the rider more options and freedom of movement.

Dropper post ready/compatible

With dropper posts becoming standard on all disciplines of mountain biking, this was a no-brainer; what's more interesting is where this technology is headed. Stratos can accomodate much longer droppers, giving the rider more options and freedom of movement.

Metric shock

Metric shocks perform better and have optional bearing hardware for low friction rotation, supported on the rocker side.

Metric shock

Metric shocks perform better and have optional bearing hardware for low friction rotation, supported on the rocker side.

Pop geometry adapted for xc/trail/marathon

As modern XCO and XCM courses become more technical, we've adapted the bikes to suit not only the current trails, but also where XC is headed. Slacker head angles and longer wheelbases, along with other geometry and suspenstion tweaks allow for a bike that is more capable and forgiving on the downhills, but does not sacrifice any uphill ability in the process. Stratos AL has 120mm travel and has some geometry changes that give a slightly more relaxed ride that its carbon fibre counterpart, aimed at riders looking to spend longer days in the saddle or dabble in trail riding.

Pop geometry adapted for xc/trail/marathon

As modern XCO and XCM courses become more technical, we've adapted the bikes to suit not only the current trails, but also where XC is headed. Slacker head angles and longer wheelbases, along with other geometry and suspenstion tweaks allow for a bike that is more capable and forgiving on the downhills, but does not sacrifice any uphill ability in the process. Stratos AL has 120mm travel and has some geometry changes that give a slightly more relaxed ride that its carbon fibre counterpart, aimed at riders looking to spend longer days in the saddle or dabble in trail riding.

Sheathed cable routing

All the looks of internal cable routing, but without the hassle. Cables run underneath a polyurethane sheath on the downtube, which hides the cables but can still be removed for ease of maintenance.

Sheathed cable routing

All the looks of internal cable routing, but without the hassle. Cables run underneath a polyurethane sheath on the downtube, which hides the cables but can still be removed for ease of maintenance.

Tapered Pivot and bearing details

The massive main pivot uses angular contact headset bearings, with the larger 52mm bearing used on the drive side to cope with the additional chain forces. The angular contact design allows for bearing wear to be tightened out - the same as would be done at the

Tapered Pivot and bearing details

The massive main pivot uses angular contact headset bearings, with the larger 52mm bearing used on the drive side to cope with the additional chain forces. The angular contact design allows for bearing wear to be tightened out - the same as would be done at the

Two bottle mounts in the main triangle

When is comes to water bottles, two is definitely better than one.

Two bottle mounts in the main triangle

When is comes to water bottles, two is definitely better than one.


Designer's Notes

29″ wheels

Air Suspension Fork

Asymmetric Frame

Bigger Volume Tyres

Burst Pivot

Hydraulic Disc Brakes

Hydro Formed Alloy

Internal Dropper Post Ready

Oversized Pivot Bearings

POP Geometry

Sheated Cable Routing

Why Stratos AL 3 Is Best

Specifications

Crankset SRAM FC X1 Eagle BOOST, 148 Dub, 32t
Cassete SX Eagle 11-50t
Rear Der SX Eagle
Front Der
Shifters Rear: SX Eagle
Fork Rockshox Recon RL, 29", Maxle lte BOOST 15 X 110MM Axle, SOLO AIR, 120MM travel, 42mm Offset
Rear shock RS DELUXE RT 210X47.5 DEBONAIR 2 TOKENS MM TUNE 320 LB LOCKOUT
Hubs SUNRingle sealed bearing hubs
Rims Surface 29", 23mm, 32H
Tyres Maxxis Crossmark 29 x 2.25" EXO, TR, Front and rear
Seatpost Surface Dropper Post, 125mm S, 150mm M/L/XL
Saddle Surface Race, Cr-Mo Rails
Handlebar Surface Alloy Butted, 31.8mm, 9deg backsweep, 5deg rise, 780mm width
Stem Surface Alloy 6deg rise, 45mm S/M, 55mm L/XL
Frame New Stratos asymmetric Hydro formed 6061 Alloy. 120mm travel, Boost 148mm. tapered headtube.
Braked set Shimano MT200 Hydraulic Disc brakes, 180mm F / 160mm R
Weight TBA
Weight Limit 120kg
Travel 120mm

Geometry

Stratos AL 3 Geometry
Map Type S M L XL
A SEAT TUBE C/T 390 430 480 510
B HEAD TUBE ANGLE 67.5˚ 67.5˚ 67.5˚ 67.5˚
C SEAT TUBE ANGLE 74˚ 74˚ 74˚ 74˚
D TOP TUBE 575 599 625 654
E REACH 415 435 455 481
F CHAINSTAY LENGTH 435 435 435 435
G BB HEIGHT 340 340 340 340
H WHEELBASE 1113 1138 1165 1194
I HEAD TUBE LENGTH 90 100 110 120
J STACK 576 586 594 602
K STANDOVER 713 777 803 815

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