Shimano S-Phyre RC903 Road Shoes – Race-Bred Precision, Refined

When marginal gains matter, the Shimano S-Phyre RC903 steps in with a sharper fit, lower weight, and uncompromising power transfer. Born from Grand Tour dominance and re-engineered for even greater efficiency, this is a pure race-day weapon—engineered to disappear beneath you while delivering every watt exactly where it counts.

The updated upper construction trims 20g per pair while enhancing structural integrity and fit precision. A supple microfibre synthetic leather adapts to your foot shape, reducing pressure points and eliminating hotspots, even under sustained high-output efforts. Strategic micro-perforation boosts airflow, keeping temperature in check when the pace—and the heat—rises.

Fit is dialled (literally) via dual BOA® Li2 dials, offering low-profile, aerodynamic adjustment with millimetre-level precision. Combined with Shimano’s 360° surround wrapping upper, the RC903 delivers a secure, “second-skin” feel that locks your foot in place without restriction.

Underfoot, the seamless midsole design removes the traditional lasting board, lowering stack height and maximising direct power transfer. Paired with the proven full carbon outsole and integrated anti-twist heel stabiliser, this shoe converts effort into forward motion with ruthless efficiency.

Key Features:

• Advanced upper redesign for reduced weight and improved anatomical fit
• Microfibre synthetic leather for adaptive comfort and reduced pressure zones
• Micro-perforated ventilation for high-intensity breathability
• Dual BOA® Li2 dials for precise, aerodynamic adjustment
• 360° wrap construction for a secure, sock-like fit
• Seamless midsole for reduced stack height and enhanced power transfer
• Full carbon outsole with anti-twist heel cup for maximum stiffness and stability

Technical Specs:

• Weight: 225g (size 42)
• Stiffness Rating: 12 (maximum efficiency)

Fit Note:
This is a race-fit shoe—snug, aggressive, and performance-focused. Customer feedback recommends sizing up by at least one size

Bottom line:
Featherweight, brutally efficient, and unapologetically race-focused—the RC903 doesn’t just keep up. It sets the pace.

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.