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For extreme gravel rides, 650b wheels are stronger, lighter and fit bigger tires than 700c wheels
For extreme gravel rides, 650b wheels are stronger, lighter and fit bigger tires than 700c wheels
3T

3T Discus Plus i28 Ltd Carbon Gravel Wheelset 584 x 28c 27.5/650b

£899.99 £1,783.20 49% off
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns



We want you to be 100% happy with your shopping experience and we will provide a refund on any item (unless otherwise stated below) within the UK. Please note, customers in Northern Ireland, may incur a returns fee.

Please return your item(s) unused and in original condition, as you received it, within 30-days from the date of purchase. Returns can take 3 to 5 days to process.

If you wish to exchange an item for any reason, please place a new order for the items that you want.Please notethat it is your responsibility to pay for the return postage costs, no postage costs are refundable. We cannot assume responsibility for returned items that are lost in the post. Your statutory rights are not affected.

  • All Item(s) will be inspected upon return
  • Item(s) can be tried on for sizing but not worn for activity - Please do not wear items next to the skin when trying on for hygiene reasons, shorts MUST be tried on with clean underwear
  • Item(s) must be returned with all original packaging intact and tags attached. Item(s) returned with incomplete or damaged packaging or missing or unattached tags may be refused or subject to a restocking fee
  • In the unlikely event that an item is returned to us in an unsuitable condition, we may have to send it back to you
  • Item(s) returned as unused/unworn, that have clearly been worn, washed or heat moulded will be refused
  • Item(s) returned without a returns form fully completed could delay the process of your return
  • All neoprene products (wetsuits etc.) are fully inspected prior to despatch. We cannot accept returns on wetsuits damaged in the process of trying on.
  • Do not apply the returns label to the original packaging. Please use a box or parcel bag to package the itemrather than applying the label to the item's packaging
  • We will not be able to return shoes that have been heat-moulded. Rmcycles cannot be held accountable for improper heat moulding
  • For health and safety reasons face masks cannot be returned for an exchange or refund
  • We reserve the right to refuse this free service on a case by case basis
  • Please retain your proof of postage
  • If you pay for a delivery service, we will not refund the delivery cost unless the item is faulty or the incorrect item has been sent to you
  • In the case of partial returns, Rmcycles reserves the right to void any discounts and the customer will be liable to pay the full listed price advertised online
  • We do not offer an exchange programme at this time, please place a new order


If you wish to exchange an item for any reason, please place a new order for the item(s) that you want.

Fill in aReturns Form, including all relevant information, as an incomplete form will delay the processing of your return. Include this form with the item and package up securely. Do not affix the postage label to the product packaging, shoe boxes etc.

Please note that in this case, we will not refund any postage fees, except if the item(s) are faulty or if you have received the wrong product. We strongly recommend you use a service that provides a certificate of postage and a tracking number.

For UK residents, our returns policy does not cover bikes, bike boxes, turbo trainers, trainer mats, indoor bikes, wheels, workstands or anything larger than 61cm L x 46cm W x 46cm D. If you are unsure about the size of an item please contact Customer Care prior to your order being dispatched. A charge will apply to return these items to us. Bikes or bike boxes: £35. Indoor bikes: £100. Turbo trainers, trainer mats, wheels, workstands and any item (excluding previously mentioned) over 61cm L x 46cm W x 46cm D:£15. This fee will be waived if your item is faulty or in the unlikely case that you've received the wrong product.

You will need to contact us with the following details to arrange a collection:

  • Your full name and collection address including postcode
  • Order number and confirmation of which product(s) is coming back to us
  • Your preferred date of collection (Monday to Friday only)
  • A contact number in case the courier needs to get in touch with you

Returns address:

Rmcycles Ltd
Returns Department
Unit 3A, Leigh Green Industrial Estate
Appledore Road, Tenterden
Kent, TN30 7DE


Should you have any questions please call us on 01580765612. Due to high call volumes, there may be a delay in answering. Alternatively, Please send us a email to customercare@rmcycles.co.uk

3T Discus Plus i28 Ltd Carbon Gravel Wheelset 584 x 28c 27.5/650b

Season:2024

Brand:3T

Code:C3B-3T1-i28WS

For extreme gravel rides, 650b wheels are stronger, lighter and fit bigger tires than 700c wheels

For big tires, 650b wheels offer better handling (no toe overlap, shorter chainstays possible).

All DiscusPlus i28 parts are gravel-optimized for ultimate durability, agile handling & low weight.

Wider tires offer more comfort and grip. But as the tire gets wider, the overall diameter also increases. This in turn means your chainstays get longer, the front-center gets longer, the steering slower, and in smaller sizes the headtube gets too high. In short, the bike feels less and less like a nimble road bike and more and more like a garbage truck.

So what you really want is extra width without much extra diameter and this is what the 650b wheelsize offers. A 650b wheel with a 47mm wide tire has the exact same diameter as a 700c road wheel with a 28mm road tire. So same diameter, but triple the air volume, comfort and grip by going to a 650b wheel with a 47mm tire. And if you go to 54mm as fits on the 3T Exploro bikes, the air volume is almost four times bigger and it still only has the diameter of a 700x40c tire.

Sometimes people say they want to stick with 700c wheels when they ride big tires because they want to "change as little as possible”. But while it may sound like sticking to 700c is changing less, in effect you are changing everything about how the bike fits and feels, while with 650b the rim diameter changes but the way the bike behaves remains the same.

In the quest for more comfort and grip, wider and wider tires are used on gravel bikes. While this offers mostly advantages, one drawback is that the tire flexes more sideways, making your bike less predictable in cornering. That can be solved by widening the rim.

However, a wider rim is also potentially heavier, and the rim width/tire width ratio has to be in balance to ensure proper seating of the tire on the rim. For the 650b tires with 47-60mm width that we use for the toughest terrain (and thus for which 650b wheels are the best choice), the ideal rim width is 28mm internal. Considerably wider than the 19mm more commonly found, but narrow enough that the weight is very low and the tire is perfectly secured on the rim, even without the need for hooks (as one would need for a road tire on a wider rim).

Technical Information
Rim sizeETRTO 584 x 28c, (27,5”/650b), 33.4mm wide, 30mm deep
Rim SpecGravel-specific carbon 650b rim, tubeless-ready with angle-specific drilling
Rim materialUnidirectional carbon - ultralight layup
SpokesSapim D-light, Straight pull, stainless steel, black finish, 24 Front/24 Rear
Hubs3T GW Bombproof Hubs, Centerlock type, oversized light alloy hub bodies, spindles & freehub body, adjustable bearings, black satin anodized
NipplesBrass, black finish, Sapim Polyax 14G secure lock
Front Hub spec100x12 Syntace X-12 with 1.0mm thread
Rear Hub spec142x12 Syntace X-12 with 1.0mm thread
Rear Hub compatibility10/11s Shimano freewheel and SRAM XDR Driver body included
Wheel weight (+/- 5%)1508 g
Sizing Information
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