Shimano's Flagship Off-Road Race Shoe

The Shimano S-PHYRE XC9 (XC903) sits at the top of Shimano's off-road range and represents the most advanced cross-country, marathon and cyclocross race shoe the brand produces. Every element — from the dual BOA Li2 closure to the carbon composite sole and surround-wrap upper — is engineered to deliver the precision, stiffness and weight-saving demanded at the highest level of competition.

The understated black colourway gives the XC903 a clean, race-ready aesthetic that pairs with any team kit or personal palette, and the construction reflects feedback from Shimano's sponsored World Cup and World Championship athletes.

Sizing: Please Size Up

In the experience of the Fawkes Cycles team, the S-PHYRE XC9 (XC903) comes up small compared with riders' usual Shimano shoe size. The wraparound upper construction and racing-focused last fit closer to the foot than the brand's mid-tier and entry-level shoes, and most customers find they need to go up half a size, occasionally a full size, from their usual Shimano EU sizing.

Riders who already wear an S-PHYRE shoe should stay with their current size. Riders moving up from the XC1, XC3, XC5 or XC7 are strongly encouraged to size up. The Fawkes Cycles team is happy to advise based on the rider's current shoe size and foot shape — customers are welcome to get in touch before ordering, and exchanges for sizing are accepted in line with the store's returns policy.

Available in Standard and Wide Fittings

The XC903 is offered in both a standard last and a dedicated wide fitting. The wide variant retains the same race-bred platform, BOA closure, sole and upper construction, but with additional volume across the forefoot for riders with broader feet. Given the snug nature of the standard last, riders who run wide-fit shoes in their everyday footwear are particularly encouraged to consider the wide option.

Dual BOA Li2 Closure for Race-Grade Precision

Two low-profile BOA Li2 dials work independently to control tension across the forefoot and instep, allowing the rider to fine-tune fit in two distinct zones. Each dial offers two-way micro-adjustment in single-click increments, meaning tension can be added or released on the move without removing the foot from the pedal.

The result is a closure system that delivers a glove-like fit across the entire upper, with no pressure points or hot spots even on the longest race efforts.

Surround-Wrap Upper Construction

The synthetic leather upper uses Shimano's Surround-Wrap construction, which minimises overlap and stitching across high-pressure zones for a uniform, conforming fit. Strategically placed mesh panels promote airflow through the forefoot and instep, helping to manage heat and moisture on extended race efforts, while reinforced areas at the toe and heel add durability without unnecessary weight.

Carbon Composite Sole for Maximum Power Transfer

Underfoot, a carbon composite sole delivers the highest level of stiffness in Shimano's off-road range, rated at the top end of the brand's stiffness scale. The result is direct, uncompromising power transfer through every pedal stroke, helping the rider extract maximum efficiency on sustained climbs, race starts and short, sharp efforts.

Aggressive XC Race Outsole

The XC903 features Shimano's most aggressive off-road outsole, with deep, widely spaced lugs designed to shed mud and provide confident grip on technical terrain. Threaded mounting points at the toe accept optional M5 spikes for additional traction in cyclocross, deep mud or steep hike-a-bike sections. The SPD cleat pocket sits flush with the sole for stable, controlled steps off the bike.

Two-Bolt SPD Compatibility

The XC903 is compatible with two-bolt SPD-style cleats, making it the natural partner for Shimano's flagship XTR M9100 race pedals, as well as the wider XT, SLX and Deore SPD range.

Recommended Cleats

The XC903 is supplied without cleats, allowing the rider to pair the shoe with the cleat type that best suits their riding style. Shimano offers two SPD cleat options, both of which are fully compatible with the XC903:

• Shimano SM-SH51 (single release): the standard choice for cross-country racing, marathon events, cyclocross, gravel and general off-road use. Releases through outward heel rotation only, providing a positive, predictable engagement that holds firm under hard efforts. Recommended for competitive use.
• Shimano SM-SH56 (multi-release): releases through multiple directions, including upward pull, making clipping out easier and more forgiving. Generally not recommended for race use given the level of intensity the XC903 is built for.

For competitive XC, marathon and cyclocross use, the SM-SH51 is the firm recommendation. The Fawkes Cycles team is happy to advise on the right cleat based on the rider's experience and intended use.

Key Features

• Shimano's flagship S-PHYRE off-road race shoe
• Available in standard and wide fittings
• Dual BOA Li2 dial closure with two-way micro-adjustment
• Surround-Wrap synthetic leather upper with mesh ventilation
• Carbon composite sole rated at the top of Shimano's stiffness scale
• Aggressive XC race outsole with mud-shedding lugs
• Threaded toe spike mounts for cyclocross and extreme conditions
• Compatible with two-bolt SPD-style cleats (SM-SH51 or SM-SH56)
• Reinforced toe and heel guards for trail protection
• Reflective detailing for improved low-light visibility
• Comes up small — most customers size up half a size from their usual Shimano size
• Classic black colourway with subtle Shimano S-PHYRE branding

Ideal For

The Shimano S-PHYRE XC9 (XC903) is built for elite and committed cross-country racers, marathon and stage-race competitors, cyclocross specialists, and serious gravel riders who demand maximum stiffness, the most precise BOA fit Shimano produces, and an aggressive race-grade outsole. With both standard and wide fittings available, the XC903 caters for a broad range of foot shapes at the highest level of off-road performance.

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.