The Kettle Valley Railway winds through some of the most varied mixed-surface terrain in the Okanagan — from hardpack cinder to loose gravel and everything in between — and the Crux 5 Sport is built for exactly that kind of riding, fast. Anchored by an 897-gram FACT 10r carbon frame and a fully mechanical Shimano GRX 12-speed drivetrain, this is a gravel race bike that strips away batteries and electronics and puts the emphasis squarely on lightweight speed and trailside simplicity. With 55mm of tyre clearance and an S-Works FACT carbon fork up front, the Crux 5 Sport delivers the same race-bred platform as higher-spec Crux 5 builds at a price point that makes sense for competitive riders who prefer cable-actuated shifting.
Specialized Crux 5 Sport — Gravel Bike
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KEY FEATURES |
Frame: Crux 5 FACT 10r Carbon, Rider First Engineered™ construction (unique layup per size), Threaded BB, 12x142mm rear thru-axle, flat-mount disc, UDH dropout, up to 55mm tyre clearance — frame weight 897g Fork: S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc Drivetrain: Shimano GRX 1x12-speed mechanical — ST-RX820 shift levers, RX822-GS rear derailleur, GRX FC-RX820 crankset with 40T chainring; Shimano XT CS-M8100 cassette (10–45T) and XT CN-M8100 chain Brakes: Shimano GRX BR-RX820 hydraulic disc, front and rear — rotor size [VERIFY] Wheels / Tyres: DT Swiss G500 rims, 26mm internal width, tubeless ready, 24h, Specialized full sealed-bearing hubs, DT Swiss Champion 14G stainless spokes and brass nipples; Specialized Pathfinder tubeless-ready tyres, 700x45c Cockpit: Specialized Adventure Gear alloy handlebar (118.9mm drop, 70mm reach, 12° flare; width varies by size 38–42cm), Roval Rapide alloy stem at -6°; Supacaz Super Sticky Kush bar tape Weight: 8.94 kg (size 56, as built) Seatpost: S-Works Tarmac SL8 FACT Carbon, 15mm offset, integrated wedge binder |
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WHO IS THIS FOR? |
The Crux 5 Sport is for the gravel racer or fast-paced recreational rider who wants a carbon race frame without the complexity or cost of electronic shifting. It suits someone comfortable riding hard on mixed surfaces — loose gravel, hardpack, and everything the KVR can throw at you — and who values the ability to diagnose and adjust their drivetrain in the field with a multi-tool rather than a charging cable. Riders who log serious kilometres on gravel events or local gran fondo routes will appreciate the sub-9kg build weight and the wide 10–45T cassette range that keeps the climbing gears accessible without sacrificing top-end pace. Our team at Fresh Air will help you find the right fit in-store at both Kelowna locations. Stop by to work with one of our experienced staff members, or call 250-763-3425. |
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HOW TO SET UP |
As a certified Specialized dealer, our team can work through contact point fit with you before you leave — saddle height, fore-aft position, and handlebar reach all matter on a bike this performance-oriented, and getting them right from the start makes a measurable difference over long gravel days. We can also set tyre pressure for the specific conditions you ride (KVR hardpack rewards different pressures than loose Okanagan gravel), and walk you through the tubeless setup process if you'd like to run the Pathfinder tyres without an inner tube. The Shimano GRX mechanical drivetrain is straightforward to dial in: our mechanics can check cable tension, limit screws, and shift quality so everything is crisp on your first ride. We also offer ongoing service and component advice as your riding evolves. Drop into Fresh Air Pandosy (555 Groves Ave) or Fresh Air Dilworth (1656 Dilworth Drive), or book an appointment online. |
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GEOMETRY & SETUP |
Frame geometry and sizing details for the Specialized Crux 5 Sport are available on the Specialized website. Specialized offers the Crux 5 in six sizes: 49, 52, 54, 56, 58, and 61cm. Our team at Fresh Air can help you find the right frame size based on your height, inseam, and riding style — come in to either Kelowna location and we'll get you dialled in. Specialized Crux 5 geometry chart: https://www.specialized.com/ca/en/crux-5-sport-shimano-grx-800/p/4312531 [scroll to geometry tab] |
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TEST RIDE |
The best way to know whether the Crux 5 Sport is the right gravel race bike for you is to come in and get your hands on it. Visit us at Fresh Air Pandosy or Fresh Air Dilworth — our team is happy to walk you through the build, talk through how it compares to other gravel options in the range, and help you figure out your ideal size and fit. |
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FAQ |
Q1: What size Specialized Crux 5 Sport do I need? Specialized offers the Crux 5 Sport in six sizes — 49, 52, 54, 56, 58, and 61cm — designed to fit a broad range of rider heights. As a general guide, riders in the 163–170cm range often fit a 49 or 52, 170–178cm typically suits a 54, 178–183cm a 56, and taller riders generally land in the 58 or 61. That said, gravel bike sizing is nuanced and depends on your inseam, riding style, and flexibility, not just height. The geometry chart on the Specialized website is a useful starting point, and our team at Fresh Air can confirm the right size with a quick in-store assessment.
Q2: Is the Specialized Crux 5 Sport right for riding the KVR and Okanagan Rail Trail? Yes — the Crux 5 Sport is very well matched to KVR-style riding. The 700x45c Pathfinder tyres handle the hardpack cinder and loose sections comfortably, while the 10–45T cassette keeps the climbing gears accessible over long, undulating sections of the trail. The 55mm tyre clearance also means you have room to upsize if you want more volume for rougher sections or loaded touring. For riders who want to push pace on the KVR or use it as a training base for gravel events, this bike is a strong fit. Q3: What tyre width and clearance does the Crux 5 Sport support? The Crux 5 Sport ships with 700x45c Specialized Pathfinder tubeless-ready tyres and supports a maximum clearance of 55mm (700c) with no compromises in the frame or fork. The DT Swiss G500 rims have a 26mm internal width, which is well-matched to the 40–50mm tyre range. The bike is exclusively 1x, and the wide-clearance design was purpose-built around modern gravel race tyre sizing rather than road or cyclocross use. |
SPECS |
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| FRAMESET |
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| SUSPENSION |
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| BRAKES |
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| DRIVETRAIN |
Shift Levers: Shiimano GRX ST-RX820 Rear Derailleur: Shimano GRX RD-RX822-GS, 12-speed Cassette: Shimano XT CS-M8100, 12-speed, 10-45t Chain: Shimano XT CN-M8100, 12-speed Crankset: Shimano GRX FC-RX820, 40t Bottom Bracket: Shimano Threaded BSA BB |
| WHEELS & TIRES |
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| COCKPIT |
Stem: Roval Rapide, alloy, 4 bolt, -6 degrees Handlebars: Specialized Adventure Gear, 118.9mm drop x 70mm reach x 12º flare Tape: Supacaz Super Sticky Kush Saddle: Body Geometry Power Sport, steel rails SeatPost: S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset Seat Binder: Integrated Wedge |
| WEIGHT |
Weight: 8.94 kg (19 lb, 11.3 oz) Weight Size: 56 |
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Review Specialized Crux 5 Sport — Gravel Bike