Halo Spin Doctor Pro Rear Axle Conversion

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Product Description

The axles and freehubs are interchangeable between all the Spin Doctor Pro rear hub models, (Note: Although they are not cross compatible with the original Spin Doctor parts). This interchangeability allows customisation of the Spin Doctor Pro hubs to suit your needs

Spin Doctor Pro Solid Axle:
  • Rear - M10x135x185mm with bearing covers and axle nuts. Weight: 140gSpin Doctor Pro 12mm Axle Coversion:
    Several riders have asked Halo to offer a 12mm T-axle hub. So, rather than building a whole new hub from scratch, we have devised a simple and cheap conversion kit to allow a 12mm T-axle to be used with our Spin Doctor Pro hub.
    This means that all of our Spin Doctor Pro hubs and wheels that use Spin Doctor Pro hubs can easily and cheaply be modified to fit yet another configuration of frame. (and if you change your frame, you can easily run the QR or 10mm axle option again).
  • Includes - service axle, bearing spacer and 2 push-on CNC alloy
  • end caps. 12mm T-axle not included (this should be part of the frame).

    Spin Doctor Pro Axle Parts Kit:
  • Includes: CNC alloy end caps, Freehub spacer, Fits Standard 135mm QR axle

    Spin Doctor Pro QR Rear Axle Kit:
  • Direct replacement rear alloy axle - for Spin Doctor Pro Hub, QR Type, includes dust covers.

    Spin Doctor Pro Solid Axle:
  • M10 x 135 x 200mm extra long chromoly axle with bearing covers and axle nuts.Weight: 148g

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

  • Wheels Guide


    Wheels Guide

    Wheels are the components that will have the biggest effect on speed and efficiency as well as the way your bike feels. Whether you are looking for a new wheel set or are giving your existing set some TLC this guide will help you find what you need.

    Mountain Bike Wheels

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

    When replacing an existing wheel, it’s important that you get one that has the same rim diameter – 26”, 27.5” (650b) or 29” - as well as the same hub width and axle type. The other thing to look out for is brake type – disc or rim – and freehub type.

    mountain bike rider

    Road Bike Wheels

    The standard road bike wheel size is 700c although some junior road bikes and gravel bikes have smaller 650b wheels. The main differences between road bike wheels is the rim type; clincher or tubular. Clincher wheels have a regular tyre and inner tube. Tubeless wheels are clinchers that can be used without inner tubes. The inner tube and tyre are combined in tubular tyres.

    Traditional road bike wheels use QR axles. Many disc brake wheels now use bolt through axles that will only fit compatible frames. When replacing road bike wheels make sure that you buy the same type of wheels, so they are compatible with your frame.

    view of road bike rear wheel

    Hybrid Bike Wheels

    Hybrid bike wheels are usually 700c which is the same as road bike wheels. Hybrid bike wheels usually have wider rims to support the wider tyres. You can use road bike wheels for hybrid bikes as long as the axle and brake type are the same.

    Shop Hybrid Bike Wheels
    two cyclists on hybrid bikes

    BMX Wheels

    As the name suggests BMX wheels are for BMX bikes and these are mostly 20” in diameter with nutted axle. Cruiser BMX bikes have larger diameter wheels while some kids BMX bikes have smaller wheels.

    Shop BMX Wheels
    BMX Bike Rider

    Kids Bike Wheels

    This is where you will find replacement wheels for your child’s bike. When buying a replacement wheel it’s important to get on that is the same diameter. Rear wheels do not include the freewheel or cassette these are purchased separately.

    Shop 20"- 24" Kids Bike Wheels
    kids on bikes

    Skewers & Axles

    Replacement QR skewers for quick release axles and bolts for through axles can be found in this category.

    Shop Skewers and Axles
    skewer and thru axle

    Wheel Accessories

    This is where you will find tubeless valves, valve cores and valve caps as well as rim tape and replacement decals for the wheel rim.

    Shop Wheel Accessories
    valves and tape

    Wheel Spares

    Components like end caps, axle caps, disc brake conversion kits and axle conversion kits can be found in the wheel spares category.

    Shop Wheel Spares
    wheel hub spares

    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. AKA nutted axle.

    Bolt Though Axle – an axle that goes through the hub body and fixes to the fork or frame of you bike. Usually 12mm 15mm or 20mm.

    Brake type – wwheels are designed to work with specific brake types; disc or rim. Disc brake wheels will either have a 6 bolt or a centre lock fitting.

    Clincher – most common type of rim on all bikes works with tyres that have a bead. Tubular tyres on road bikes are different.

    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 - 7 speed and above.

    Freewheel – an early version of the freehub where the freewheeling mechanism is attached to the sprockets rather than the wheel hub – 5, 6 & 7 speed.

    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.

    Rim tape - tape that covers the nipples inside the rim to protect the inner tube – see also Tubeless rim tape below.

    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.

    Thru axle / TA – See Bolt Through Axle above.

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

    Delivery & Guarantee

    UK Delivery Information

    International Deliveries – Temporarily Suspended 11/11/20

    Note: We are still offering deliveries to the Isle of Man, Scottish Highlands, Scottish Islands, Channel Islands, Isle of Wight, Jersey and Guernsey. 

    Courier Delivery update: Due to the COVID19 situation, we are currently experiencing some delays with deliveries. Our couriers are working around the clock to get your order to you as soon as possible but there is a potential delay of up to 48 hours . Please check your tracking on track your order here.

    Please download the TNT Track and Trace App for iOS here and Android here so you can keep an eye on your delivery and any further updates.

    Please note on the TNT tracking app it may show your delivery status as ‘Collecting’ (as per image below). This means your delivery has left our warehouse and is currently held at TNT main depot and there could be up to a 48 hour delay.

    tnt delivery

    Please keep checking the TNT tracking for further updates. On behalf of TNT we apologise for any delay and inconvenience this may cause. 

    We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE in the UK, regardless of the size and on all orders over £20.

    Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

    Please note that Pre-Order dates can sometimes change due to updated stock information.

    Click here for more UK and international delivery information.

    Returns & Warranty

    It's easy to return a product with our 365 day, hassle free returns. 

    We will give you a full refund on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

    Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

    If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

    For more information please visit our Returns & Warranty page.