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VDO C3DS

MSRP $
# of Reviews 13
Average Rating 1.85/5
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Submitted by Chris Broome a Weekend Warrior from San Luis Obispo, CA
Date Reviewed: October 19, 2009
Duration Product Used:2 Years
Price Paid: $80.00
Purchased At:eBay and bike store
Strengths:Wide range of functions, automatic start-stop, dual bike capability. Its the same easily-available and inexpensive batteries for the pickups and the head unit.
Weaknesses:I have C3DS computers on two bikes. They started to lose signals from cadence and wheel sensors. Replacing the batteries and swapping the units from bike to bike helped for a short while, but not long. I could never get the mileage to read correctly or even correspond to a second (different brand) computer on the tandem or on a second solo bike.

The orientation of the head unit on the handle bar is very, very sensitive - I guess it can't handle much variation in signal strength or direction from the pickups.

According to the user guide, you have to send the unit back to Germany for any warranty repair.
Similar Products Used:Older Performance CM300's - no longer manufactured and several years old, but very reliable and accurate.
Bike Setup:The solo bike has pickups from front wheel and cadence from crankset; the tandem picks up speed from rear wheel and cadence from rear crankset.
Bottom Line:Given VDO's reputation in other areas of electronics and instrumentation, I expected a reliable and accurate product.

This was a disappointing waste of money and a time-wasting experience.
Value Rating:1Overall Rating:1

Submitted by Yan Duval a Cross Country Rider from Quebec, Canada
Date Reviewed: September 12, 2009
Duration Product Used:More than 3 years
Price Paid: $125.00
Purchased At:Mountain Equipment C
Strengths:Great features when it works. LED is a good idea on sensors.
Weaknesses:Various problems. I had my first one a few years ago. Worked pretty well so bought a second kit for my wife. Frequent need to change batteries. My computer started to fail after 2 years. After a year, my speed sensor developped an habit of failing to work below 15C. My wife's computer was never able to calculate trip distance correctly.
Similar Products Used:Cateye Mity: More than 10 years of flawless performance.
Bike Setup:Stumpjumpers, Trek 1200 and Pilot 1.2
Bottom Line:The general design is good, but there are quality problems plaguing the product. In the end, I spent so much time messing with batteries, positionning and all that requested warranty repair at MEC. They were kind enough to reimburse the whole thing.
Value Rating:1Overall Rating:2

Submitted by peter a Weekend Warrior from Richmond, VA, USA
Date Reviewed: April 27, 2009
Duration Product Used:Less than 1 month
Price Paid: $100.00
Purchased At:nashbar
Strengths:Simple menu. easy setup
Weaknesses:one quit after 2 weeks. Spotty signal acquisiton. couldn't get cadence to work regularly.
Similar Products Used:Cateye, Sigma
Bike Setup:Trek 1200
Bottom Line:The good: Mine works great! Setup and programming was very easy. I like the straightforward and simple menu. No complicated button combinations to remember. The menus are all easy to find and figure out. I did not set up cadence on my bike (never use it).

The bad: My wife's quit working after 2 weeks. Couldn't get a regular signal, cadence was spotty, etc. New battery didn't help. Electronic devices have a habit of not working when my wife handles them, but in this instance i believe it's not her fault. Exact same problems many others described.

Wondering if the cadence combo screws it up. Anyone else besides me hook up the computer only?
Value Rating:3Overall Rating:2

Submitted by crikki a Racer from redding, ca
Date Reviewed: January 19, 2009
Favorite Trail:anywhere outside!
Duration Product Used:6 months
Price Paid: $50.00
Purchased At:ebay
Strengths:easy to read
Weaknesses:doesn't work worth beans!
will work for awhile then quits!
i replaced all batteries too
not worth the money
Similar Products Used:garmin 301
Bike Setup:which bike?
Bottom Line:do not waste your money!

how about coming up with some black chili's for negative reviews?
Value Rating:1Overall Rating:1

Submitted by Jeff B a Cross Country Rider from San Diego
Date Reviewed: July 30, 2008
Duration Product Used:2 Years
Price Paid: $85.00
Purchased At:Performance Bike
Strengths:Very easy to navigate. Easy to set up, if you read the instructions.
Weaknesses:Cadence is spotty. Sometimes it works, sometimes it doesn't. Sometimes it pretends to work but is giving info that can't be right (cadence of 20 when I'm doing something closer to 100)
Similar Products Used:Cateye
Bike Setup:I've used this both on my road and mountain bike.
Bottom Line:The computer has only ever given me problems when the batteries were dying. Once I replaced the batteries, it worked great again. I've never had any problems getting the wireless to work.
Value Rating:4Overall Rating:5

Submitted by Drummer a Cross Country Rider from Chakovec, Croatia
Date Reviewed: May 11, 2008
Favorite Trail:Fields & Forrests
Duration Product Used:Less than 1 month
Price Paid: $70.00
Purchased At:LBS
Strengths:Simple and logical menus, nice keys, strong casing.
Weaknesses:Signal range about 10". Doesn't work when mounted on the bars.
Similar Products Used:VDO C2 & C3 wired.
Bike Setup:MTB: Orbea OIZ PV Wind, roadie: Author A3303
Bottom Line:It doesn't work. Changed all the batteries, moved the sensors and the computer itself all over the bike, nothing helps. Optimistic as I am, I also bought a cadence sensor and a complete "second bike" kit with sensors & mounts. Total cost 250 US$. Total waiste.
Value Rating:1Overall Rating:1

Submitted by David a Cross Country Rider from Boise, ID
Date Reviewed: March 13, 2008
Duration Product Used:1 Year
Price Paid: $35.00
Purchased At:Ebay
Strengths:Clear display, seems solidly built.
Weaknesses:The computer can pick up the transmitter signal if it is within 3-4 inches of the transmitter. But once the computer is on the handlebar mount, it loses the signal. I have spent a lot of time over the course of a year trying to get this thing to work consistently, and nothing that I have tried has worked. It seems to have a very weak transmitter. It cannot be the bike design, as I have had other wireless computers work just fine on it. I've been unable to use it long enough to even test its weather-worthiness, or battery longevity, or the cadence kit. I've wasted enough time.
Similar Products Used:Vetta C200 (an excellent older wireless computer), Cateye Strada (wired), Cateye Astrale (wired). I'm sending this VDO to the manufacturer and going back to either Vetta or Cateye.
Bike Setup:Gary Fisher Hoo-Koo-E-Koo hardtail
Bottom Line:Bottom line is that this was probably the worst cycling purchase I've made in the past 10 years. I thought VDO's reputation in other areas would carry over into its cycling products, but it has not. I wish I had read the reviews out here before "getting a great deal" on Ebay. Now I know why the seller was selling it. Maybe the wireless unit will work on a road bike with a clear line of sight between the transmitter and the computer (instead of having to communicate around a shock fork crown), but like I said, I have had no problems with other wireless units on the same bike.
Value Rating:1Overall Rating:1

Submitted by Harold a Weekend Warrior from Las Vegas, NV, USA
Date Reviewed: July 16, 2007
Favorite Trail:any place in Colorado
Duration Product Used:1 Year
Purchased At:on-line
Strengths:none
Weaknesses:hard to say when the product doesn't work.
Similar Products Used:Sigma, Cateye, Specialized
Bike Setup:Look 461
Bottom Line:Purchased this when I was building up the Look frame because I wanted something with cadence. I'd seen other VDO's reviews and they seemed to get fair/good ratings. I tried several times to get this thing to register with no luck. I've replaced batteries and that didn't help either. I've sent manufacturer several e-mails with no response. This has got to be the worst product I've ever used, and adding to the insult is the manufacturer complete lack of support. Spend your money on something else that works. I only wish MBR would allow me to give it negative Chili's.
Value Rating:1Overall Rating:1

Submitted by Sherwood a Cross Country Rider from Olympia, WA, USA
Date Reviewed: June 18, 2007
Duration Product Used:Less than 1 month
Price Paid: $55.00
Purchased At:eBay
Strengths:Easy installation, using just the quick setup pages. Very legible LCD. Logical menu structure, Using the table to set tire size gave readings that matched other "corrected" computers. While riding, one push switches from cadence to trip mileage. Double wireless synchronized well, and one the "digi reset" was run, the sensors and the CPU have stayed in synch, with no dropouts.
Weaknesses:Manual is printed in microscopic print in many languages, solved by downloading the pdf file from the website, and printing out in large size. Unit is not easy to initialize without reading the manual first.
Similar Products Used:Several Avocet computers, and most recently, a specialized Turbo Elite
Bike Setup:Trek carbon road bike
Bottom Line:I love it - best computer I've seen yet, but I would expect that from VDO. Their instruments are in the best cars I have driven.
Value Rating:4Overall Rating:5

Submitted by Jeff a Cross Country Rider from Brandywine, MD
Date Reviewed: February 5, 2007
Duration Product Used:3 months
Price Paid: $70.00
Purchased At:Nashbar
Strengths:Color scheme matched my bike, easy to configure.
Weaknesses:Where to start...utterly useless display, inaccurate, hates any kind of moisture to include the moisture from your breath, wireless only works when the sensor is within 1-2 inches of the computer, eats batteries.
Similar Products Used:Performance, Cateye, Specialized
Bottom Line:An abysmal product with equally abysmal support from the manufacturer. Without a doubt the worse computer I have ever owned in 20 plus years. Thank goodness, Bike Nashbar offers great support for returns three months after purchasing.
Value Rating:1Overall Rating:1

Submitted by Brad Butler a Weekend Warrior from Oceanside, CA
Date Reviewed: February 4, 2007
Favorite Trail:Pacific Coast Highway
Duration Product Used:1 Year
Price Paid: $110.00
Purchased At:Bike Nashbar
Strengths:Tons of features. Wireless
Weaknesses:Very bad luck with the wireless reliability, both in speed and cadence.
Bike Setup:Cannondale 613
Bottom Line:If you can keep the wireless functions working correctly, the unit is great. Otherwise, it's pretty much worthless. I've been beating my head against it for a while right now...can't get the speed or cadence sensors to register. Tried new batteries and everything.
Value Rating:4Overall Rating:2

Submitted by Jason Pate a Cross Country Rider from Memphis, TN
Date Reviewed: December 30, 2006
Favorite Trail:Stanky
Duration Product Used:6 months
Price Paid: $70.00
Purchased At:Ebay
Strengths:The functions (if they worked) would be nice, that is why I purchased it in the first place. Wireless keeps things neet.
Weaknesses:Price, can't seem to keep it working. Tried new batteries, holding it right next to the receiver, nothing works. Came to MTBR to get the manufacturers website.
Similar Products Used:None this bad
Bike Setup:Jamis Dakar Pro
Bottom Line:Don't waste all that money. I have one that cost $30 and it is better.
Value Rating:1Overall Rating:1

Submitted by Dustin a Weekend Warrior from Asheboro, NC
Date Reviewed: November 24, 2006
Duration Product Used:6 months
Purchased At:Performance bike
Strengths:Like the display. Nice it if works all the time.
Weaknesses:Doesn't work half the time.. Tried it all new batteries, reset etc.. Other individuals have experienced the same on other reviews..Save your money.
Similar Products Used:Cat eye
Bike Setup:On road bike. Giant TCR composite.
Bottom Line:Save your money
Value Rating:1Overall Rating:1






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