Welcome to Ewhurst Bikes…
Bikes Built for Life
Welcome to Ewhurst Bikes™
Founded in 2019, Ewhurst Bikes™ combines endurance cycling expertise with aerospace-grade engineering to deliver bespoke bike builds, precision servicing, performance upgrades, expert repairs, optimised ride quality, and meticulous maintenance.
Having completed round-the-world cycling expeditions and ridden across the Australian desert, we know what works in the real world—and what is simply a passing fad. That experience allows us to help every rider achieve exceptional performance, reliability, comfort, and value.
Contact us directly on 07720 597869.
We work with
- Ultra-endurance athletes
- Road cyclists
- Downhill and mountain bikers
- Gravel and cyclocross riders
- Touring cyclists
- E-bike riders
- Children’s bikes
- Everyday cyclists
- Adaptive cycles for disabled riders
- Recumbent bicycles and electric handcycles
Every bike is tailored to your riding style, goals, and budget.
Opening Hours
7 days a week
8:00 am – 8:00 pm
📍 Shotley Bridge, County Durham DH8 0SD
Please call 07720 597869 to book your bike in before dropping it off.
Quotations and safety inspections are normally provided free of charge, and all work is discussed, agreed, and approved before any servicing or repairs begin.
Engineering Expertise
Ewhurst Bikes is owned by Tom, a professional engineer and Elected Fellow of the Institution of Engineering and Technology (IET). His engineering background brings aerospace-level precision, rigorous attention to detail, and a methodical approach to every bike, whether it’s a routine service, bespoke build, or complex repair.
Whether you’re preparing for an endurance event, exploring off-road trails, commuting every day, or simply enjoying a weekend ride, our aim is the same: to keep your bike performing at its best, safely, reliably, and efficiently.


Ewhurstbikes is the home of the Alpine Race Sport™ the perfect endurance gravel / road race bike
Engineering & Specialist Services
Over the years, Ewhurst Bikes™ has become one of the UK’s leading specialists in bicycle engineering, frame repair, and bespoke performance builds.
Our specialist services include:
- Titanium frame repair
- Aluminium frame repair
- Steel and stainless-steel welding
- Carbon fibre frame repair
- Bicycle frame failure analysis
- Frame and fork design
- Bespoke frame modifications
- Structural reinforcement and redesign
Having repaired hundreds of damaged frames, we understand not only how to repair them, but why they failed in the first place. Every repair begins with identifying the root cause to ensure the finished bike is safe, reliable, and built to last.
E-Bike Specialists
We diagnose, service, upgrade, and repair electric bicycles from many of the industry’s leading manufacturers, including:
- Bosch
- Shimano
- Yamaha
- Sur-Ron
- Revvi
Our services include:
- Motor diagnostics and repair
- Electronic fault finding
- Software updates
- Custom e-bike builds
- Bicycle-to-e-bike conversions
- Used e-bike sourcing and refurbishment
- Adaptive e-bikes and electric handcycles for disabled riders
Whether you rely on your e-bike for commuting, leisure, or competition, we aim to keep it performing safely and efficiently.
Wheels & Suspension
Precision wheel building and suspension servicing are essential to the performance and reliability of any bicycle.
We offer:
- Specialist DT Swiss wheel building
- Custom wheel builds
- Wheel repairs and rebuilding
- Suspension pivot servicing
- FOX suspension servicing
- Marzocchi suspension servicing
- RockShox suspension servicing
Every wheel is hand-built and tensioned for durability, reliability, and long-term performance.
Bespoke Bike Builds
We design and build custom bicycles for riders seeking exceptional performance, comfort, and reliability.
Our experience spans competitive racing, ultra-endurance cycling, expedition touring, and everyday riding, enabling us to create bikes tailored precisely to each rider’s requirements.
Our Alpine Race Range™ represents the culmination of years of endurance road and gravel bike development, engineered for riders who demand outstanding performance on both road and trail.
Restoration & Performance Upgrades
We also specialise in:
- Eroica and classic British bicycle restorations
- Performance upgrades
- Brake system upgrades
- Touring bike builds
- Gravel bike conversions
- Endurance bike optimisation
Whether restoring a treasured classic or modernising an existing bike, we combine traditional craftsmanship with modern engineering techniques.
Components
We supply and fit a comprehensive range of components from leading manufacturers, including:
- Shimano
- SRAM
- DT Swiss
- FOX
- RockShox
- Marzocchi
We also provide upgrades for:
- Road bikes
- Mountain bikes
- Gravel bikes
- Touring bikes
- E-bikes
Why Choose Ewhurst Bikes?
Engineering is at the heart of everything we do.
Our combination of professional engineering expertise and real-world cycling experience means we don’t simply repair bicycles—we engineer better solutions.
Whether you’re preparing for an ultra-endurance event, restoring a classic bicycle, repairing a damaged carbon frame, commissioning a bespoke build, or upgrading your e-bike, every project receives the same meticulous attention to detail, precision workmanship, and commitment to long-term reliability.
At Ewhurst Bikes™, our goal is simple: to build, repair, and optimise bicycles that perform exceptionally well and inspire confidence on every ride.
Book a slot : Let’s have a one-to-one conversation about your ambitions and explore the opportunities that are right for you.

We’re open seven days a week, from 8:00 am to 8:00 pm. To ensure we can give your bike the attention it deserves, please call 07720 597869 or click here to book your bike in before dropping it off.
Our bikes have been extensively tested over many years in all weather conditions, climbing millions of metres across the sandy and rocky trails of the Surrey Hills and the demanding terrain of the Australian Outback. This real-world experience gives us a clear understanding of which components, designs, and engineering solutions deliver the best combination of performance, reliability, comfort, and value.
The same attention to detail is applied to every bike we work on, including children’s bicycles, because safety and confidence are just as important for younger riders. We also offer complimentary bike safety inspections to help keep every rider safe.
We stock a comprehensive range of Shimano and SRAM components, together with tyres, wheels, and workshop essentials, allowing us to complete many repairs and servicing jobs on the same day and get you back on the road or trail as quickly as possible.
We’re open seven days a week, from 8:00 am to 8:00 pm. To arrange a one-to-one consultation, simply click the image above to book a convenient appointment, or call 07720 597869.
Everything we do is guided by sound engineering principles. We believe in quality workmanship, sustainability, safety, supporting local businesses, and helping our customers achieve their cycling, fitness, and adventure goals.
The Alpine Race Sport™ is the culmination of years of engineering, testing, and real-world riding. Discover the story behind the development of our ultimate alpine gravel racer, designed to excel on the toughest roads, gravel tracks, and mountain passes.
Developed through extensive testing and refinement, the Alpine Race Sport™ delivers the ultimate balance of rideability, race performance, comfort, and endurance across every surface.
Introducing the 2024 Alpine Race Sport™ range — a new generation of ultra-endurance bicycles developed for riders who demand race performance, exceptional comfort, and reliability across every terrain.
Alpine Gravel Race Sport™ — engineered for ultra-endurance racing, fast gravel, and serious off-road performance. Designed for riders who demand speed, durability, and confidence across challenging terrain.
Alpine Road Race Sport™ — a more road-focused endurance race machine, optimised for long-distance road racing, alpine climbs, and riders seeking maximum efficiency with gravel capability when required.

“Thanks ever so much amazing job on the bike. Wow what a difference it made. I must have been going about 1mph faster than before with less effort.” Martin C (club road cyclist)
| Is wet here, but Jacob has taken 0.5 secs off his time. 45.15, if it was dry he would get another half second off, so looking good” Jacob (BMX racer) | |
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| Tom is a genius and saved my cycling career. Ian P (endurance cyclist)
Tom is incredibly knowledgeable and exceptionally helpful. Thank you. John (competitive cycle racer) Tom, finally finished my build (old Marin steel frame that you welded and brazed on disc mounts) just wanted to say how spot on your welding was. Thanks again David R. |
Bespoke adventure builds and upgrades for riders who take on Africa, world tours, and the toughest long-distance challenges.
Bespoke endurance cycle racing machines, precision-engineered without compromise for performance, reliability, and comfort.
Every rider matters. We give children’s bikes the same care, safety checks, and professional attention as our most advanced builds.

Specialist E-bike Conversions
We design and install bespoke electric-assist systems for handcycles, recumbent bicycles, mountain bikes, and road bikes, creating reliable, practical solutions for a wide range of riders and abilities.
Combining professional engineering expertise with practical cycling experience, we create bespoke bicycle adaptations for riders with physical disabilities, paraplegia, and mobility challenges. We also modify children’s bikes as they grow, ensuring every bicycle continues to provide the right fit, comfort, safety, and confidence throughout their development.
We provide advanced frame repair and modification using specialist engineering techniques, including precision machining and careful fabrication of thin-wall tubing down to 0.3 mm.
Bespoke frame building using titanium, advanced alloys, steel, and specialist materials—designed around the rider, their goals, and the demands of their chosen terrain.
Performance race wear designed for endurance riders, built to handle the unpredictable extremes of the UK climate.
We specialise in ISO disc brake conversions for classic bicycle frames, providing carefully engineered solutions that improve braking performance, control, and reliability while respecting the original character of the bike.
“Great experience with Tom. Really easy communication and quick replies. Clearly a skilled craftsman and did a fantastic job repairing my frame and adding disc mounts. Work was done speedily and on budget. Highly recommended.”
David B
Precision Bicycle Engineering & Bespoke Bike Builds
At Ewhurst Bikes™, we help cyclists of all abilities achieve their riding and fitness goals through precision engineering, bespoke craftsmanship, and exceptional service.
Our customers value quality, sustainability, safety, and supporting an independent local business. Whether you are a weekend rider, endurance athlete, mountain biker, commuter, or competitive racer, we build, repair, and optimise bicycles to perform at their very best.
Bespoke Bike Builds & Frame Engineering
Every rider is unique. Every bespoke build begins by understanding how, where, and why you ride.
We design and build custom:
- Mountain bikes
- Gravel and cyclocross bikes
- Road and race bikes
- Touring and expedition bikes
- Bespoke bicycle frames
Our engineering services include:
- E-bike conversions
- Classic bicycle restoration
- Carbon fibre inspection and repair
- Titanium, aluminium, steel, and stainless-steel frame fabrication and repair
- Bespoke lightweight forks
- Frame strengthening, modifications, and structural redesign
- Classic frame disc brake conversions
Every frame supplied as part of one of our bespoke builds is backed by a 15-year guarantee, subject to our terms and conditions.
Hand-Built Wheels
As DT Swiss wheel-building specialists, we hand-build wheels tailored to your riding style, performance goals, and intended terrain.
Wheelsets are available for:
- Lightweight road racing
- Gravel and cyclocross
- Cross-country mountain biking
- Endurance riding
- Downhill and gravity racing
- Heavy-duty expedition touring
Each wheel is carefully built, tensioned, and finished using premium components to deliver exceptional strength, reliability, and performance.
Servicing & Repairs
From children’s bicycles to elite race machines, we provide servicing and repairs to the same exacting engineering standards.
Our workshop offers:
- Full bicycle servicing
- Complimentary safety inspections
- Suspension servicing
- Road bike servicing
- Mountain bike servicing
- Family and commuter bike servicing
- E-bike diagnostics and repairs
We stock and fit a comprehensive range of premium components, including:
- Titanium bearings
- Ceramic bearings
- Carbon fibre components
- Cranksets
- Replacement service parts
- Performance and race upgrades
Engineering Expertise
Unlike a conventional bike shop, our work combines professional engineering knowledge with extensive real-world cycling experience.
Our specialist capabilities include:
- Titanium welding
- Aluminium welding
- Steel and stainless-steel welding
- Carbon fibre inspection and repair
- Structural frame assessment
- Bicycle frame failure analysis
- Precision machining
- Custom engineering solutions
We do not simply replace components—we investigate problems, understand failure causes, and engineer solutions that improve performance, reliability, and rider confidence.
Proven in the World’s Toughest Conditions
Our bicycles and engineering solutions have been refined through years of real-world riding, including:
- Round-the-world cycling expeditions
- Crossings of the Australian Outback
- Iconic Alpine mountain passes featured in the Tour de France
- Continuous testing on the demanding trails of the Surrey Hills
This experience allows us to recommend equipment and solutions that work in real riding conditions, rather than simply following trends.
Our customers range from families and recreational cyclists to ultra-endurance athletes and world-record holders.
Engineering You Can Trust
Every bicycle entrusted to Ewhurst Bikes™ benefits from professional engineering expertise, including work carried out by an Elected Fellow of the Institution of Engineering and Technology (FIET).
By combining aerospace engineering principles with practical cycling experience, we deliver precise workmanship, reliable solutions, and bicycles built to perform for years to come.
Book an Appointment
We are open seven days a week, from 8:00 am to 8:00 pm.
Book a one-to-one consultation to discuss your bicycle, custom build, repair, adaptation, or engineering project.
Telephone: 07720 597869
Email: Get in touch to discuss your requirements.




Frame repair – Titanium Carbon and Aluminum
“Finally finished my Marin rebuild” “just wanted to say how spot on your welding was.” David R
Classic Tour, Heritage & Endurance Builds
We create bespoke bicycles inspired by proven designs, historic craftsmanship, and real-world endurance riding. Each build combines timeless character with modern engineering, reliability, and performance.
Bespoke Wheel Builds
We design and hand-build wheels around the rider, selecting the optimum rim, hub, spoke, and tyre combinations to achieve the ideal balance of race performance, comfort, reliability, and long-distance endurance.
Eroica Race Builds & Preparation
We specialise in preparing classic bicycles for Eroica events, combining period-correct components, careful restoration, and modern engineering solutions to create reliable, competitive machines that preserve the character and heritage of classic cycling.
Developed through millions of metres of off-road climbing, our bicycles and engineering solutions have been relentlessly tested, refined, and optimised to deliver exceptional performance, reliability, and comfort in the toughest real-world conditions.
Developed through millions of metres of off-road climbing, our designs have been relentlessly engineered and refined to deliver optimal performance, comfort, and reliability in real-world conditions.
Specialist Frame Restoration & Precision Machining
We provide specialist frame servicing, including difficult seat post removal, precision tapping, thread restoration, and bottom bracket facing to restore accuracy, alignment, and long-term reliability.
The Best of British Engineering
Ewhurst Bikes was founded by Tom, a professional engineer and Fellow of the Institution of Engineering and Technology (FIET), with more than 35 years of experience leading engineering design teams and businesses across the automotive and aerospace industries.
Engineering excellence has been the foundation of his career, combining technical precision with practical innovation to create products that perform in the real world.
A lifelong cyclist, Tom also brings over 40 years of endurance riding experience. His journeys have taken him across some of the world’s most demanding landscapes, including the Australian Outback, the Alps, Vietnam, New Zealand, Europe, and every corner of the United Kingdom.
Having ridden thousands of miles in every imaginable condition, he understands exactly what cyclists need from their equipment. Every Ewhurst Bike is designed with the same principles that have guided his engineering career—performance, reliability, durability, and attention to detail.
Designed by an engineer. Proven by experience. Built for riders.

Thank you for visiting Ewhurst Bikes™ — precision engineered, built to perform, and built for life.


We are open daily 8am – 8pm make appointment by clicking above or call 07720 597869
Main Terms of Business
- The cost of all work will be agreed in advance before any work begins, except for minor variations that may arise during servicing, repair, or investigation.
- Full payment is required before the bicycle, frame, or any other item can be collected.
- Bicycles, frames, or other items not collected by the agreed collection date may be subject to a storage charge of £10 per day.
- Charges for complex technical investigations, e-bike diagnostics, remote support, or work carried out away from our workshop must be paid in advance.
- If any issues arise following completion of our work, we will investigate them promptly and make every reasonable effort to resolve them fairly and efficiently.
Alpine Race Frame Guarantee
All Alpine Race™ frames manufactured by Ewhurst Bikes™ are covered by a lifetime guarantee.
Non-consumable main components supplied as part of an Alpine Race™ build are covered by a three-year guarantee.
This guarantee does not cover:
- Normal wear and tear
- Consumable items
- Misuse, accidents, or neglect
- Damage caused by incorrect use, modification, or servicing by third parties
- Failure resulting from components or alterations not approved by Ewhurst Bikes™
Any variation to these terms must be agreed in writing by both parties.





































