Shimano WH-RX870 GRX Carbon Disc Wheelset - 700 C

Shimano RX870 Gravel Carbon Wheelset (700c, 12/11-Speed)

Engineered for uncompromising gravel performance, the Shimano RX870 carbon wheelset delivers race-ready efficiency with real-world durability. Built around a lightweight yet robust 32 mm full carbon rim and precision hub internals, the RX870 strikes an optimal balance between aerodynamics, strength, and compliance—exactly what demanding gravel riders require.

Aerodynamic Carbon Rim Design

The RX870 features a 32 mm high-profile full carbon rim, engineered to improve aerodynamic efficiency while maintaining the impact resistance needed for rough terrain. The carbon layup is tuned specifically for gravel riding—offering stiffness for power transfer while retaining enough vertical compliance to smooth out uneven surfaces.

With a 25 mm internal rim width, the RX870 is optimized for modern wide-profile gravel tyres. It comfortably supports tyre widths from 32 mm to 50 mm, allowing riders to tailor grip, comfort, and rolling resistance to suit terrain and conditions.

Fully tubeless-ready, the rim system enhances puncture protection, improves traction, and allows lower tyre pressures for superior control on loose or technical surfaces.

Gravel-Tuned Strength & Stiffness

The wheelset is built using 24 stainless steel butted, bladed straight-pull spokes in a 2-cross lacing pattern. This configuration enhances both:

• Lateral rigidity for precise handling and cornering stability
• Torsional rigidity for efficient power transmission under load

The elbow-less spoke design, combined with durable alloy nipples, creates a stronger, more fatigue-resistant structure while maintaining controlled compliance—critical for long gravel rides where vibration management matters.

Advanced Hub Engineering

At the core of the RX870 lies Shimano’s precision hub system, built for longevity and performance in harsh conditions.

Angular Contact Bearings
The hub uses angular contact bearings that cradle the bearing balls, delivering both radial and lateral support. This design ensures:

• Increased structural strength
• Smooth, low-resistance rotation
• Precise bearing preload adjustment
• Simplified servicing and long-term durability

Pawl Ratchet Freehub Engagement
The freehub utilizes a pawl ratchet mechanism for crisp, reliable engagement—ensuring immediate power transfer when accelerating out of corners or powering up steep gravel climbs.

Labyrinth & Contact Sealing
Low-friction labyrinth and contact seals effectively keep out water, mud, and dust without compromising rotational smoothness. This sealing system is specifically designed for real-world gravel riding conditions where contamination is inevitable.

Disc Brake Compatibility & Axle Standards

The RX870 features Shimano’s Center Lock rotor mount, providing secure, accurate disc alignment with simplified installation and removal.

It is compatible with modern gravel frames using E-Thru axle standards:

• Front: 100 mm
• Rear: 142 mm

This ensures maximum stiffness and secure wheel retention for aggressive riding.

Weight & Performance Balance

Designed with efficiency in mind, the RX870 maintains competitive weight figures without sacrificing durability:

• Front wheel: 639 g
• Rear wheel: 822 g
• Total wheelset weight: 1,461 g

This weight profile places the RX870 firmly in performance gravel territory—light enough for racing, strong enough for adventure.

Key Specifications at a Glance

• 700c carbon gravel wheelset
• Compatible with 12-speed and 11-speed drivetrains
• 32 mm carbon rim height
• 25 mm internal rim width
• Tubeless-ready construction
• 24 straight-pull stainless steel bladed spokes (2-cross)
• Center Lock disc brake interface
• Angular contact bearing hubs
• Pawl ratchet freehub engagement
• Labyrinth + contact sealing
• E-thru axle: 100 mm front / 142 mm rear

Who Is It For?

The Shimano RX870 is designed for riders who demand:

• Race-level efficiency
• Technical terrain durability
• Wide tyre compatibility
• Low-maintenance reliability

Whether lining up for competitive gravel events or exploring remote backroads, the RX870 delivers a refined blend of aerodynamics, structural integrity, and long-term dependability.

DELIVERY

Delivery to mainland UK addresses are free for orders over £40. Except when you choose delivery to a third party (Click and Collect) there is a charge of £5.95 to cover some of the additional cost the couriers charge for this service. If you choose to collect from Fawkes warehouse there is no shipping charge.

There will an additional charge for deliveries to Highlands and Islands. 

RETURNS TO FAWKES

Whether it’s a jersey that doesn’t fit, or the colour is not quite right, sometimes you’ll need to return items to us.

If an item is 'as new' and has not been used or fitted in any way, you can return it to us by post within 90 days of delivery for a refund. Please ensure that the goods are returned in their original packaging and are in an unused condition.

Please click HERE to print and then complete the returns form and include it inside your parcel.

If you wish you can use our Royal Mail Returns service please follow the instructions on the link below to return your parcel to us.

Royal Mail Returns Service

Please pack the item carefully to avoid damaged during shipping.

Customers need to pay the cost of return delivery unless the item is faulty and this will be deducted from your refund, currently £3.95.

If your have a large item e.g. Child seat, Bike, trailer etc. please contact our customer service team at Guy@fawkes-cycles.co.uk to arrange the best way to return your item, the cost will be deducted from your refund.

You will not receive a refund for the retail value of any free or promotional items you are sent, and you will be charged if they are not returned.

UNWANTED ITEMS

If you change your mind on your purchase, you have a full 90 days to return it for a refund. All Goods must be unused, in a saleable condition and in their original packaging with all labels still attached.

Please pack the item carefully to avoid damaged during shipping.

There are some exclusions to our 90 day returns policy, which are detailed below:

Nutritional products or those with a best before date must be returned within 28 days*

Any customised items such as wheel builds cannot be returned*

GPS systems such as sports watches or cycle computers can only be returned if unregistered*

For hygiene reasons, any intimate garments such as facemasks, underwear and swimsuits can only be returned if the items are faulty.

*Unless faulty

If you wish to return your item for a refund, please follow the returns procedure above.

We try our best to process all refunds within 14 working days. We'll refund your item via your original payment method.

You will not receive a refund for the retail value of any free items you are sent, and Fawkes may charge you for this item if you fail to return it

FAULTY ITEMS

If you feel that your purchase has developed a fault, then please contact us with photographs of the issue before returning any goods - we may be able to solve your problem without you incurring any further inconvenience.

If you find a fault with your item, send it back to us and we'll take a look at it as soon as we can. Items sent back to us will undergo an inspection and it may be necessary to send the item away to the manufacturer to confirm the fault. If we confirm a manufacturing fault, we'll happily replace or refund it.

Please pack the item carefully to avoid damaged during shipping. 

Faulty items should be returned within a reasonable time and in a clean and dry condition. PLEASE NOTE, WE WILL NOT PROCESS DIRTY ITEMS.

Please enclose all your details and a covering note explaining the fault and any other useful details.

We'll try to get back to you within 14 working days of receipt of your parcel, although during busy periods this may take slightly longer.

Your statutory rights are not affected.

We reserve the right to recharge return carriage on items where no fault is identified.

Customer Service Email: Guy@Fawkes-Cycles.co.uk

Please contact us for our Payment & Security policy.