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Welcome to RDG Cycles.
We are a professional cycling company committed to helping cyclists of all abilities achieve their personal goals.
We work on a “by appointment” basis to provide you with top-quality, no-compromise cycling solutions. We specialize in road and triathlon bikes so our focus stays sharp in these areas of cycling.
Fitting:
- It has been our experience that a professional fitting is the most important “component” of a bicycle
- we provide four different levels of fittings to meet the needs of all cyclists
Bikes:
Accessories:
Since we focus on proper fitting, you'll find many components designed to enhanced comfort and effeciency. We try to stock handlebars with varrying reach and drops. Stems of different angles and lenghts. Saddles of differing widths, cutouts, and curves. As an added benefit to getting fitted, you can try on different components to make a better decision on wether or not to purchase that Selle SMP saddle or deciding on a 9cm or 10cm stem. Makes more sense to do this way than buying something that will end-up on cragslist or ebay. Make an appointment to come by and see our fine selection of helmets, sunglasses, clothing and bike components.
- Zipp, Ritchey, FSA, Deda, Campagnolo, TTT, Selle SMP, Selle Italia and more…
Why buy your bike from RDG Cycles?
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- Every athlete that commits to purchasing their bike from RDG gets measured to ensure that the frame selected will be bio-mechanically correct.
- Most of the customers who schedule fittings were sold the wrong size frame.
- You save money and valuable riding time due to the mere fact that the bike will fit your physical dimensions.
- You won’t have to hassle with getting rid of a recently purchased bike in order to get one that actually fits.
- Regardless of how much you spend, the bicycle will be properly fitted to your specific requirements.
- Buying the correct size frame is just the start. We then proceed to make sure that your feet, hands, and butt are in perfect alignment.
- If necessary, we will make component changes (stem, handlebar, saddle, etc.) to further customize your body to your new bike. Most cyclists end up collecting different types of stems, handlebars, and saddles trying to find that sweet spot. You won’t have to.
- Value and Service.
- All bikes purchase come with a service plan to ensure that bike is always shifting and braking properly.
- Depending on the current promotions, parts and accessories will be discounted 1 year from the date of purchase. Please call for further details.
- Commitment to the Cyclists
From an objective standpoint, there is no fit shop in the Inland Empire more suited or better equipped to properly fit you to your bike than RDG Cycles. The whole shop is a fitting area. Complete with Computrainers, Motion Analysis Software, Cameras, and fitting tools too numerous to list. The shop does not look like your typical bike shop because we’re not out just to sell bikes. We’re here to help you find the best bike possible given your physical characteristics and your budget. More important to the athlete/rider, is my full commitment to whoever walks in the shop. RDG trully values every opportunity that is given, as such, nothing is taken for granted. Wether you're purchasing your first bike to creating your custom dream bike, the ultimate test will be how the bike rides and fit. That's it..... |
F.I.S.T Certified
I attended Dan Empfield's Fit Institute Slowtwitch (F.I.S.T.)
certification course this past spring. It was great to see fitting
legends like John Cobb and Dan Empfield doing what they do best. I came
away with more knowledge and protocols necessary in working with
triahtletes, both new and old, the complicated method of fitting a
triathlete to the correct tri frame, saddle and aerobar. Since, the
skeletal system is held responsible for stabilizing the body to an
appropriate tri-frame geometry, more empahasis is needed to allow a
triathlete to use their bike with the greatest amount of power, comfort and
biomechanical effeciency with the least possible effort. After all,
they still need to do a marathon afterwards!! Sounds easy enough?
Doesn't it? |
Back to School. Paul Levine's Signature Cycles Fit School. That Is!I was never one for school. Unless the subject matter is one that really intrigues me. So when the opportunity arose to attend Paul Levine's Signature Cycles Professional Bicycle Fitting Seminar came about, I jumped at the chance. Forget about the fact that I'm a "One" man shop. The chance to get on hand instructions from one of the pioneers of the bicycle fittings was going to benefit, not only me, but the athletes that approach me for bicycle fittings. Plus, I had a great time in Manhattan's Upper West Side. The pictures to the left are of Paul Levine and Dr. Pam Wilson. The ones on the right were of students taking part of the fit seminar. |
I consider myself a veteran cyclist (been cycling for 20 years now) who enjoys cycling and to be competitive in my local recreational group rides. It does not matter how many hours I spent on my bike (average 6 to 7 hours a week) or changing my setup, it just never felt comfortable and I always had to work much harder to be able to keep up. A year ago I bought a brand new bicycle and got fitted in the shop, I really thought this will fix all my problems.
Four months ago I was ready to give up cycling for good because of cycling related injuries. I had SERIOUS:
- MUSCLE STRAIN in my right FOOT.
- INFLAMMATION in both my ANKLES.
- TIBIAL ANTERIOR on right leg felt it was torn off from the bone.
- Left knee started to develop PAIN just below and underneath the PATELLA.
With many doctor and physical therapy sessions already scheduled, I decided to visit Marvin at RDG Cycling to check the bio-mechanical setup on my bicycle. I signed up for the ultimate full fitting package. My program took about about 8 hours over a period of 4 months with Marvin, I had to retrain my body how to bike in the new position. It also took time to improve my flexibility and with that to fine tune my position. Since I was personally very involved with my fitting program, it became a team effort and Marvin educated me a lot. I am very glad to say that I finally feel comfortable on my bike and ride much stronger without any injuries.
I highly recommend Marvin, he is passionate in what he is doing and it is always great to visit him. He is truly product neutral, absolutely NO stress or pressure to purchase any specific components during the fitting process.
Thanks Marvin. Louis Bouwer |
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Jim's New Orbea Onix (Sort Of....) My story may be a bit different from the others in that I already had a good road bike when I found RDG.
My full carbon Orbea Onix had served me well for commuting and for
Saturday morning club rides, but I had ongoing mechanical and comfort
issues that other retailers had not been able to successfully address.
Although my bike rode smoothly, it always seemed to have a bit of
flex to it and made a mysterious clicking noise every time I would ride
out of the saddle. Over the course of a couple of days, Marvin
methodically switched various components in and out to isolate the
source of the clicking. Ultimately, he found there to be a defect with
the crankset/bb and he worked with the manufacturer to replace the
part. No more clicking, and my bike feels stiffer than ever!
In terms of comfort, my riding position had always felt a bit
cramped and the tips of my fingers would start to go numb on rides
longer than one hour. This, unfortunately, was my situation, despite
the "professional" fit I had received at another retailer when I first
bought my bike 3 years ago. At RDG, without the slightest bit of a new
bike hard-sell, and for a very reasonable charge, Marvin spent
significant time and effort making several necessary adjustments to my
current bike. My riding position now feels much more natural, my hands
no longer go numb, and I no longer feel cramped. An added (and totally
unexpected) benefit is that my body weight is now more appropriately
distributed between the front and back tires, giving me far more
control when cornering and descending. Thank you so much Marvin. I
look forward to doing business with you again soon! - Jim Wood, Huntington Beach, CA |
Hi Marvin, I just wanted to say hi, and also enter my feedback about your great service via this email. "I highly recommend Marvin's bike shop. I have ridden mountain bikes just for fun here and there. As one of my plans is to prepare for my second triathlon, the need for an entry level road bike emerged. My knowledge of road bikes is very limited, so I started to surf the net, and called all bike shops around the area. Most of the calls gave me the answer I needed as far as price and availability. When I called Marvin, however, he went beyond that and started asking questions about my riding style, for what purpose I'd be using the bike, and more. His friendly attitude and his knowledge of the topic made me think that this would be the bike shop I'd like to buy my bike from. My first visit to Marvin's bikeshop turned out to be a great lesson on biking. The visit started with having measurements taken to fit the bike to my body, and he was in no hurry to sell me any bike. I left the shop with a bike that I have started riding, and it feels VERY light... it's a lightweight bike, and I am very happy with my purchase. The added bonus with Marvin is that his friendliness and approachness makes it all easier to ask questions, have them answered honestly, and have the certainty that I can keep learning about gadgets and bike related items that would help in my biking experience without being ripped off.
If anybody asked me what I think about RDG Cycles and Marvin's service, I can use a few words to qualify it: Professionalism, attention to detail, excellent customer service, great follow-up (yes, the phone calls are still in place just to check if I am doing well with the bike rides, and/or if there are any discomforts that can be fixed), but the BEST trait Marvin's has is his willingness to help with good advice and his patience.
Thanks very much! I, for sure, am telling my friends about you and RDGCycles."
Monica. |


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Business as usual.... Buying a bike is never what it seems. When Matty first
approached me about riding I got the sense that he wasn't messing
around. He scheduled a sizing fitting session to dertermin the
correct size and geometry. Then we went on a 1 hour plus test ride
around Chino/Chino Hills to validate my recommendations. By the
way, that was the longest ride he ever went on. After that, we
went about selecting the proper components needed to make his bike
(and budget) a reality. I pretty much had everything in stock
except for a couple of things. But the build came thru really well.
Then we went on a "confirmation ride" to make sure everything is
where it suppose to be. Presto! We have a new rider that trully
fits his bike! You're probably asking, "does he go through all
these steps with everybike he sells?". The answer is
"YES"! Matty had a budget around $1500.00. For that price he
got an almost fully custom bike with the proper stem lenght,
handlebar width & height, and more. Within 3 weeks, he
was ready to go with a clipless pedal system I got him on some Sidi
Genius Carbons and Look Keo sprints. Then we determined he had
slight foot varus on left foot. We were able to correct that with
"Bike Fit Systems's Big Meat Wedges". All of a sudden he's spinning
like Ekimov! It doesn't get any better than that. |
I'm a 58 year old man who played football and ran track in high
school. I also ran recreationally for 15 years participating in 5
& 10 K runs and 1 marathon. Now that I am in my Golden Years
are upon me I needed to find an aerobic activity that was not
stressful on my joints. I was convinced by my sister's
husband, that cycling was the answer; I listened to them since they
have been at it for 7 years. I did not know much about cycling. I
rode recreationally purchasing bikes over the counter.
Unfortunately, in retrospect I found out that the over the counter
bikes never fit me properly thus I experienced much discomfort in
my rides including numbness in my arms and hands. I came across the
RDG website and Marvin, made an appointment for the fitting. From
the initial meeting with Marvin, I was totally impressed by his
caring approach, not to mention Marvin is totally knowledgeable of
the cycling industry and science of cycling. There is no
compromise, Marvin wants only the best for his customer; it's not
always the most expensive piece of equipment or the best deal, to
Marvin it's the accurate fitting and equipment that will benefit
you. Because of my body type, Marvin fit me into a 72* Laid Back
Geometry cycle. I have been riding three times a week for over a
month now, riding in comfort and progressing week to week, my
cycling experience has been a real positive experience. Next month
Ojai! It's been a great experience working with Marvin. I have
found a person that I can trust and has vast knowledge of the
business and science of cycling. I will continue coming back to
Marvin even though I will be relocating to Long Beach. I highly
recommend RDG Cycles and Marvin who either is just beginning or
have been riding for years. Matt Nuez Director, Nutrition, St. Francis Medical Center |
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Hey Marvin, Before coming into RDG to meet with Marvin, I had been
shopping and researching on road bikes for about a good
month. Many bike shops had I had walked into just
informed me on my size and pointed out what bike would be the best
fit for my price range. In a sense, it only seemed like they
were only trying to get a sale. Enter Marvin. after being
referred to by a few friends, I set an appointment to inquire about
a bike. Upon arriving fairly late, we got down to business
and he started listening to my needs as far as what I was looking
for and my price range. The next step was taking
my measurements, we went straight to it. After measuring
my disproportionate limbs, he put me on a bike mounted onto a
trainer and started the fitment process. We tried out about
four bikes and found the right one for my taste and comfort
level. The price was far beyond excellent, but what intrigued
me the most was the wonderful service he provides the bike
with. It was not just some sale to Marvin. He was
actually looking for the well-being of myself and his passion for
cycling. The very next morning I went for a bike ride along
with Marvin. The ride was AMAZING! I am very pleased
with his customer relations and service and would not have gone any
other way upon finding him. Not only did i find a great
fitter, I found a great cyclist and friend. Thank you Marvin
for all your help! Ryan Cabigas Jr. Loan Assistant CSU Pomona Student |



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