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Hope Tech Enduro - Pro 4 27.5 / 650B Rear Wheel - Silver

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Please Note: Hope specific freehubs are only compatible with Hope cassettes

Product Description

Hope Tech Pro 4 27.5” Enduro wheels are made to take a beating, staying true in even the most challenging terrain. From enduro race tracks, to downhill runs and all day trail adventures, Hope Tech Enduro wheels can be depended on to keep you rolling.

Hope hubs have a well-deserved reputation for reliability and top performance, for a reasonable price. The new Pro 4 hub has a 4-pawl ratchet system with 44 tooth engagement, for fast power transfer. The new Pro 4 hubs are built in-house at Hope from a forged 2014 T6 aluminium billet and feature larger spoke flanges for stiffer wheels and stainless steel bearings for smooth and dependable rolling.

Hope Enduro rims are robust and feature a triple cavity design. The 6061 T6 aluminium rim is eyeleted around the spoke holes and welded to give it extra strength. Sapim Race/Sprint stainless steel, double butted spokes in black are paired with silver brass spokes to finish off the wheels, making a super strong and dependable wheelset.

This 27.5” (650b) wheel comes in 32 hole configuration with a Silver hub and a number of different freehub options, including SRAM’s XD Driver, Hope’s new bespoke freehub and the standard Shimano freehub, in both steel and aluminium. There are also a number of different widths available, including the new 148mm Boost standard.

Key Features:

  • Enduro rim designed and tested by Hope
  • Triple cavity rim design offers increased strength
  • Tubeless compatible – requires tape and valve
  • Pro 4 hub for reliable performance in UK conditions
  • Sapim double butted spokes
  • Wheel size: 27.5” (650b)
  • Freehub availability: SRAM XD, Shimano, Hope
  • Axle widths: 135mm, 148mm, 150mm
  • Colour: Silver
  • Weight: 1061g

Hope Tech Enduro – Pro 4 Tech Specs

  • Rim : 23mm internal & 28mm external width
  • Welded and eyeleted 6061 T6 aluminium rim
  • Triple cavity construction for added strength
  • Black Sapim Race/Sprint stainless steel double butted spokes
  • Silver Brass nipples
  • Standard hub wheel builds available in Black, Silver, Blue, Red, Purple and Orange
  • Straight pull hub wheel builds also available in above colour options (Only available as an option with our rims)
  • Rear wheels supplied with 135mm QR and 142x12 conversions (135x10//135x12//135x10 bolt in conversions are available separately)
  • 32 hole Pro 4 hubs
  • 4 Pawl ratchet mechanism
  • Stainless Steel, sealed cartridge bearings
  • Rim ERD:27.5" 562
  • Weights for rim only 27.5"-510g
  • Compete standard wheel weights: 26" F 911g R 1020g // 27.5" F 923g R 1061g // 29" F 962g R 1093g

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MTB Wheel Guide

 

MTB Wheel Guide

New wheels are a great way to improve the performance of your mountain bike. Lighter wheels make climbing and accelerating easier, stronger wheels will allow you to ride more challenging terrain, and wider rims offer better support for the tyres. Upgrading to a tubeless wheelset will make punctures a thing of the past.

MTB wheels are available in different diameters with different size hubs. While some bikes, like the Scott Genius are compatible with both 650b+ and 29” wheels, most bikes are designed to work with a specific wheel size.

When choosing your new wheels, it is important that your new ones are the right size for your bike.

What to Look for in New MTB Wheels?

Different types of MTB wheels are made for the different mountain bike disciplines. Cross country (XC) wheels are the lightest, for rapid climbing, while downhill (DH) wheels are the strongest, for hard-charging over very rough terrain. Trail wheels are the best all-rounders and offer a great balance between lightweight and strength. Enduro wheels are nearly as strong as DH wheels while still being lightweight enough for efficient climbing.

Rims

The rim is the part of the wheel that needs to be the strongest as it is closest to the rocks and roots on the trail. The rim is also the part of the wheel where weight makes the biggest difference. This is because the rim is the part of the wheel that is furthest from the centre. It is here that the rotational effects of weight are most noticeable. This is why rim weight and strength have such a big effect on the way that the wheel performs.

Rim Materials

Most mountain bike wheel rims are made from aluminium alloy.



Aluminium alloy rims. Higher-end alloy wheels are made from better quality alloy making them stronger and lighter. These wheels also have welded seams which are much stronger than the rims with pinned seams found on more affordable hoops.



Carbon fibre rims are both lighter and stronger than alloy rims. Thanks to the carbon layering process, the profile of the rim can be tweaked to suit the specific use of the wheel. If you want the lightest and strongest wheels, then carbon fibre rims are the way to go.


Rim Width

The width of the rim has a big influence over the way that the tyre performs. With tyres getting wider and tubeless becoming the norm, choosing the correct rim width is more important than ever. Wide rims allow you to run wider tyres for more grip. While narrow rims are lighter weight, wider rims make up for this by offering significant performance advantages.

 

Mountain bike rims are available in a range of widths, narrow rims are lighter, wider rims are stronger and offer better handling

Wide rims offer a more stable base for the tyre which is especially important while cornering. The side-on pressure generated when you lean hard into a turn will tend to make the tyre squirm unsettling the bike. This is even more noticeable on a tubeless set up as there is no inner tube to add support. A wider rim will allow you to benefit from riding with the lower tyre pressures that offer more grip, without the tyre squirming around under you in the corners.


Tubeless

As well as reducing the chance of getting a puncture, riding tubeless allows you to take full advantage of riding with lower tyre pressures. This means that your tyre will conform to the ground better to give you a smoother ride on rough terrain and more grip in the corners. Also, with tubeless sealant added to the tyre, you will find that you get far fewer punctures.

Most mid to high-end MTB wheels are now tubeless compatible. This means that you can either choose to run them with inner-tubes or as a tubeless set-up.

All you need to do is fit tubeless tape and put in a tubeless valve and you are ready to put on your tubeless tyres. Some tubeless wheels are supplied with the tape and valves. The tape may be fitted too.

Converting to tubeless is a great reason to upgrade your existing wheelset.


Hubs

The hub is the part that sits at the centre of the wheel. The axle fits through the hub allowing the wheel to spin freely on the bearings that sit inside the hub. The spokes are attached to flanges on the hub body.

Hub materials

Most mountain bike hub bodies are made from lightweight aluminium alloy. Some top-of-the-range wheels may have carbon fibre composite hub bodies. The freehub body can be made from steel or aluminium. Aluminium is lighter but steel is stronger which prevents the hub splines being chewed up under high load.

Bearings

Good quality bearings, sealed and protected from dirt and water, are key to reliable running and smooth rolling. Most mid to high-end wheel hubs spin on sealed cartridge bearings. Steel balls or needles rotate in a single cartridge that is reliable and can easily be replaced when worn out. Shimano wheels use a simple ‘cup and cone’ system. Here loose ball bearings sit between a cup in the hub and a cone shaped washer. This system is easy to service at home – new bearings and a dab of grease once in a while are all you need to keep them running smoothly – but they can be tricky to adjust perfectly.

Freehub

Rear MTB wheels feature a freehub on the drive side. This is the splined metal tube that the cassette sits on and rotates on its own set of bearings. A ratchet and spring-loaded pawl mechanism engages when you are pedalling and releases when you stop pedalling so that you can coast. There are several different systems available with different numbers of pawls and teeth on the ratchet. More pawls and teeth on the rachet give you quicker engagement for more immediate power transfer while fewer/bigger teeth can deal with more torque.

Hub sizing and brake rotor compatibility

It is essential that you buy a wheel that is the correct size for your bike. This includes hub width, axle type and disc brakes rotor type, as well as rim diameter.


Spokes

Most MTB wheels have spokes made from stainless steel. Butted and double butted spokes are lighter than regular spokes but are just as strong. Some wheels, from brands like Mavic, may have aero bladed aluminium alloy spokes.

The spokes (on most wheels) attach to the flange on the hub and screw into eyelets on the rim with spoke nipples which are then tightened to the desired tension. Traditional J-bend spokes are most common, but straight-pull spokes are a little stronger.

The number of spokes may vary from wheel to wheel. Wheel Lacing patterns also vary and have different properties. Wheels with cross lacing tend to be stronger while straight lacing saves weight.


Jargon Buster

Bolt On – an axle that is incorporated into the hub with nuts on the end. Designed to work with traditional 9mm or 10mm dropouts.

Bolt Though Axle – an axle that goes through the hub body and fixes to the fork or frame of you bike.

Butted – where excess material has been removed from low stress areas.

Eyelet - A fitting in the rim that holds the nipple in place.

Freehub – The freehub allows the rider to stop pedalling whilst the bike is still moving forward. The rear cassette is attached to the freehub body.

Hub - The centrepiece of the wheel, from which the spokes branch out to the rim. Rotates around the axle, which is an external component attached to the fork or frame.

Hub flange - The collar of the hub that the spokes attach to.

Lacing - The pattern in which the spokes are threaded when building a wheel. The exact same wheel threaded in a different pattern can produce a completely different ride character.

Nipple – The small component that the spokes screw into at the rim.

Rim - The outermost component in a wheel. The bit the tyre sits on.

Spoke - The rods connecting hub to rim. J-Bend spokes are most common – they are identified by the bend at the hub end, and thread into the nipple at the rim. Straight-pull spokes have no bend and, as they are often proprietary to the wheel they are made for, are less readily available in bike shops.

Tubeless – Technology that allows does away with the inner tube

Tubeless rim tape – Rim tape that makes an air tight seal around the rim of tubeless compatible wheels

Tubeless Sealant – latex based liquid that you put inside tubeless tyres to get a good airtight seal. Tubeless sealant will self-repair small punctures.

True - A straight wheel is called ‘true’. If it gets a wobble, usually caused by the spokes unequally going out of tension, it is out of true.

Valves – The port of the bike that is used to inflate and deflate the tyre. There are two types of valve for bikes. Schrader valves are the same as those on car tyres while Presta valves are narrower bike specific valves designed for high air pressures. Valves are attached to the rim in tubeless set ups or included with the inner tube on traditional wheel setups.

QR – Quick release. Designed to work with traditional 9mm or 10mm dropouts. A quick release skewer fits through the wheel and allows you to quickly change the wheel.

TA – Through axle. See Bolt Through Axle above.

Wheelset – both the front and the rear wheels are included in the wheelset

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