Description
The CST/Raleigh Pioneer (C-763) 700×38c is a versatile hybrid-/touring-bike tyre engineered for both on-road and light off-road use. Its 700c diameter (ETRTO 40-622) and 38 mm width strike a balance between speed and comfort, making it ideal for commuting, urban rides, leisure touring and mixed-surface applications.
Key Features:
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Size: 700 × 38c (40-622)
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Hybrid touring tread: On/off-road friendly design, offering grip on pavement, light gravel and trek paths.
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Durable rubber compound and construction built to withstand commuting and urban terrain.
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Black sidewalls for a clean, understated look that suits modern hybrids and trekking bikes.
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Wire-bead construction for robustness and longevity.
Usage Instructions:
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Ensure tyre size 700×38c (or 40-622) is compatible with your rim and frame clearance before fitting.
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Inflate to the recommended pressure (typically in the range of ~50-75 psi depending on load and ride feel) as per side-wall markings; adjust according to rider weight & terrain.
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After fitting the tyre: check for even seating on the rim, spin the wheel to ensure no wobble, and inflate gradually until fully seated.
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For mixed-surface use (road/gravel/track), this tyre offers a good all-round compromise; however, for dedicated mountain-style off-road use you might consider a more aggressive tread.
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Inspect regularly for cuts, side-wall damage or embedded debris, especially after off-road sections.
Compatibility & Application
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Ideal for hybrid bikes, trekking/commuter bikes and light touring bikes where a 700c × 38c size is appropriate.
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Compatible with standard 700c rim diameter (622 mm) and width-appropriate rims rated for 35-45 mm tyres.
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Suitable for on-road commuting, urban riding, park/trail paths and light gravel paths—but not intended for full-mountain or heavy cyclocross racing use.
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Sizing disclaimer: Please ensure both rim internal width and frame/fork clearance accommodate a 38 mm tyre before purchase.
Why Choose CST/Raleigh Pioneer?
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Balanced performance tyre offering a hybrid of road speed and light off-road capability.
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Strong value for money compared to ultra-premium touring tyres.
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Good durability for daily use thanks to the robust compound and tread design.
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Widely available and supported by CST and Raleigh-branded dealers.
Why Choose Hopkinson Cycles?
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✅ Free postage on UK mainland orders.
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✅ Professional knowledge: We’re experienced bicycle specialists able to advise on size, fit and suitability.
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✅ Family-run business: You deal with a real person, not a faceless call centre.
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✅ Direct customer service: Call us on 01924 274209 or email info@hopkinsoncycles.com for advice.
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✅ In-house operations: We process and ship everything ourselves from Queen Street, Horbury, Wakefield, WF4 6LP.
Visit us: www.hopkinsoncycles.com














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