Frames

Are you on the hunt for the perfect mountain bike frame to kickstart your next custom build or to breathe new life into your current ride? Look no further! At Cranxs, we connect you with a vibrant community of sellers offering both new and used mountain bike frames suited for various riding styles and demands. Whether you’re forging a trail beast or fine-tuning a downhill demon, our platform is your gateway to finding top-quality frames that meet your specific cycling needs. Dive into our extensive collection where each listing is powered by fellow cyclists and reputable shops across the UK. Here, you’ll discover everything from ultralight carbon frames designed for competitive racing to robust aluminium frames built for enduring rough mountain trails.

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Explore Our Range of Mountain Bike Frames

Whether you're crafting a bike from scratch or upgrading your current setup, the right frame is the foundation of any good mountain bike. At Cranxs, our selection spans from lightweight cross-country frames designed for speed and agility to sturdy downhill frames built for absorbing shocks and bumps.

Types of Mountain Bike Frames Available

Cross-Country Frames

Optimised for speed and efficiency on rugged terrains, these frames are usually made of carbon fibre or aluminium to keep weight to a minimum while maintaining strength and stiffness.

Trail Frames

Perfect for general mountain biking, trail frames offer a balance of comfort, efficiency, and ability to handle technical terrains. They are versatile and suitable for riders who enjoy a bit of everything.

Downhill Frames

Built to withstand the aggressive demands of downhill racing, these frames feature robust construction and are often equipped with enhanced suspension mounts to tackle the toughest descents.

Choosing the Right Mountain Bike Frame

Consider Your Riding Style

Select a frame that matches your primary type of riding. Consider frame geometry and material—factors that influence how the bike handles and feels during a ride.

Material Matters

Carbon Fibre: Offers the best stiffness-to-weight ratio, ideal for racers and serious enthusiasts.
Aluminium: A more cost-effective option that provides a good mix of durability and light weight.
Steel: Known for its durability and smooth ride quality, perfect for those who value comfort and longevity.

Frame Size

Getting the right frame size is crucial for comfort and performance. Use our detailed sizing guide to determine the best fit based on your height and riding style.

Maintaining Your Mountain Bike Frame

Regular Inspection

Regularly inspect your frame for any signs of wear, stress, or damage, especially if you frequently ride in rough terrains. Pay particular attention to welds and join areas.

Cleaning and Care

Keep your frame clean from mud, dust, and debris. Use mild soap and water for cleaning and avoid high-pressure washers that can damage bearings and seals.

Protective Measures

Consider applying frame protectors or sealants to help guard against scratches and corrosion, extending the life and appearance of your frame.

FAQs About Mountain Bike Frames

Can I switch from one type of frame to another using the same components?

While many components may be transferable, differences in frame geometry, mounting types, and technical specifications like headset size or bottom bracket type may require additional adjustments or new parts.

How often should I replace my mountain bike frame?

There is no set time frame for replacing your bike frame, as it depends on how often and under what conditions you ride. Regular maintenance and checks will extend its life, but if you frequently ride hard on tough terrains, you might need to replace it sooner than a casual rider.

What is the warranty on mountain bike frames?

Warranty varies by manufacturer and frame material. Check product listings for specific warranty information, ensuring you understand what is covered before making your purchase.