Featuring an inverted design, carbon upper structure, 37mm stanchions, and refreshed internals the new Dorado Pro is the pinnacle of suspension technology. The new stiffer chassis is paired with an all-new sealed version of our TPC+ damper and improved Dorado Air Spring with IRT volume adjuster. These technologies combined into one ultimate platform provides more than enough tunability to satisfy any savvy suspension tuner while being so easy to adjust that every rider can dial in their fork with ease.

Carbon Fiber Legs and the 37mm chassis result in the stiffest and lightest Dorado to date. The carbon pro chassis is 27% stiffer than the previous 36mm version and 238g lighter than the new 37mm Expert version. They also have looks that can kill.

Inverted Design provides an incredibly smooth and consistent feel due to constant lubrication of the bushings and seals. The inverted design also provides a major increase in fore-aft stiffness compared to traditional forks while maintaining torsional compliance which provides more control to the rider over rough terrain.

Dorado Air Spring system contains a unique balancing valve that equalizes the positive and negative air chambers during the air fill process resulting in a consistent feel without any flat or dead spots. It also allows easy Travel Adjustability from 180 to 190 and 203mm without the need for any spare parts.

IRT (Infinite Rate Tune) allows for advanced spring tuning by independently adjusting air pressures in the beginning and end stroke. IRT technology creates a secondary positive air spring that effects only the middle to end stroke of the fork. This allows the main air spring to be set to lower pressures for improved small bump sensitivity while maintaining mid-stroke support and moderate to aggressive end-stroke ramp-up.

Sealed TPC+ is a velocity and position dependent damping circuit that maintains light damping thru small bumps when the fork is high in it's travel. As the fork compresses deeper in the travel the secondary TPC+ circuit engages and increased the damping force for added support and bottom-out prevention. Additionally, an independent Hydraulic Bottom-out circuit further increases the damping force in the final 30mm of travel to soften deep travel events and prevent hard bottom out. The new cartridge design with spring backed IFP fully seals damper oil for the most consistent damping on long demanding DH runs. Spring backed IFP has improved performance during extreme riding, unlike a bladder an IFP pressurizes the oil at the initial stroke eliminating any cavitation for the most consistent damping.

Fits both 29" and 27.5" wheels. Markings on the outer legs indicate the proper clamping point for ideal axle to crown measurements depending on wheelsize. The fork legs can be used with both wheel sizes.

Two Crown Options are available with this fork. The 47 offset is designed to work with 27.5" wheels and intended axle to crown. The 57 offset crown is designed for 29" wheels and axle to crown. For those looking to run the lower offset crown with 29" wheels please reference our fit document to see if your headtube length is compatible.

TSR Bleed buttons allow you to release excess pressures built up in the outer legs of your fork with a simple tap of the button. This keeps your fork smooth and supple all day long.

New direct mount fender is reversible, allowing for two orientations "moto" for increased front of fork coverage, "bike" for increased behind fork coverage.

New 2 bolt drop crown features increased head tube length capability with 29" wheels.

Developed in both the lab and via collaboration with our World Cup athletes to ensure maximum torsional stiffness of the Dorado 37 chassis.

Specifications

Wheel Size: 27.5", 29"
Offset: 47mm Flat Crown (27.5"), 57mm Drop Crown (29'')
Ride Height: 582mm (27.5"), 602mm (29'')
Travel: 180, 190, 203mm internally adjustable
Spring: Dorado Air with Infinite Rate Tune (IRT)
Compression Damping: Sealed Cartridge TPC+ with Hydraulic Bottom Out (HBO)
Rebound Damping: Sealed Cartridge TPC
Adjustments: Air, IRT, Rebound, HS, and LS Compression
Steerer: 1-1/8" Straight
Crown: Forged
Outer Leg Material: Carbon
Leg Diameter: 37mm
Leg Material: 6000 Series Aluminum
Brake Post Mount: 203mm (223 Max)
Axle: 110mm x 20mm BOOST Thru Axle
Max Tyre Size: 67mm
Extras: Threaded TSR Buttons
Options: Fender
E-Bike Compatible: No
Weight: 2970g

Occasionally, without notice, manufacturers change product design and/or specifications.

Suspension Forks Sizing

A new suspension fork is one of the most noticeable and worthy upgrades you can make to your mountain bike. A higher quality fork will be able to deal with more difficult terrain, remaining composed on the trail and keeping your wheel in contact with the ground. This gives more grip, and therefore a more confidence inspiring ride.

Not all forks are made equal, there are some very important size and compatibility aspects to look at first.

Compatibility

Wheel size

There are a few different wheel sizes for mountain bikes. 26”, 27.5” (650b) and 29” are the most common.

There is also plus (+) and fat versions available. If you are not sure it should be written on the side of the tyre.

Whatever wheel size you have, the fork must be designed to suit.

Fork steerer

The fork steerer is attached to the fork crown, this comes up through the frame and headset to be clamped at the top by the stem.

Most modern bikes will have a tapered steerer, this is 1.5” inch wide at the fork and 1 1/8th inch at the stem. Some DH bikes and older mountain bikes will suit a straight 1 1/8th inch steerer.

It is easiest and best if the replacement fork has the same diameter steerer to fit into your frame and headset.

If you are unsure on the size, drop the forks out from the frame and you should be able to see straight away if the steerer is tapered or straight.

Axle size

If you are planning on using the same front wheel with your new fork, the fork’s dropouts must suit your wheel.

The width of the front hub has traditionally been 100mm, with either a 9 or 15mm axle. With a 9mm Quick Release (QR), a fork could be described as 9mm x100mm or QR to fit. A larger 15mm bolt through axle is more common on higher end bikes, a fork could be described as 15 x 100 to suit. This 15mm axle can be a quick release style and can be referred to as 15QR

Over the last few years, a wider 110mm spacing known as “Boost” has become the new standard, this is not available for 9mm QR axles and would be shown as 15mm x 110 or 15mm Boost.

20mm axles have been common on DH bikes for some time. Although DH wheels will be 110mm wide, they are not always “Boost”. There is a new DH Boost for front wheels and forks, this means the hub is still 110mm wide, but the disc rotor/mount sits 5mm out.

For more on MTB wheels see our full guide here

Travel

The amount of distance the fork can move vertically is referred to as travel (shown in mm). The frame manufacturer will have designed the bike around a certain amount of travel. The general rule is to stay with this. Increasing or decreasing the fork travel can result in the geometry being severely compromised, making the bike handle worse than intended and putting more stress on the headtube structure.

*Changing fork travel can void frame warranty from the manufacturer, please check with the manufacturer before any travel increase/decrease.

As fork travel increases so can flex, to combat this a triple clamp design is used for forks with over 180mm of travel. The hub plus the two crowns creates a triple clamp. The forks are for DH use.

A triple clamp DH fork, travel is measured from the lower crown to the top of the fork lower legs

Offset/Rake

The distance the axle is offset from the steering axis. This directly affects the “Trail”. Trail is the distance between the contact point of the tyre and where the steering axis hits the floor. The shorter the offset the longer the trail and vice versa. Wheelsize also affects trail. Larger wheels have a longer trail. With the popularity of 29er MTB’s, there is often an offset choice to be made.

The most common offset for a 29er fork is 51mm, however, fork manufacturers offer shorter offsets to increase trail.

Fitting

Once the correct fork has been chosen there are a few things you should know before fitting.

Crown race – Slid down over the steerer is the crown race, these are usually particular to the headset on your bike. They create a seat for the lower bearings of the headset to sit on, this should be removed from your forks and slid into place on the new fork steerer before installing the new forks.

Star Nut – Inside the steerer tube there is a star nut. This has a wedge design allowing it to be slid down into place but not slid back up. There is an internal thread that takes the top cap bolt allowing the forks to be held in place and allowing adjustment of the pressure on the bearings.

Steerer length – A new fork will have a long uncut steerer, this will more than likely need to be cut to match the length of your original forks, however, it can be cut longer or shorter if you wanted to have more adjustment for stem height.

Setting Sag

See our full guide to setting sag here

Rear shock buyers guide >

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