Sigma Sport Sport BC 800 Computer

3.48/5 (46 Reviews)


Product Description

BC 800


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Reviews 1 - 15 (46 Reviews Total) | Next 15

User Reviews

Overall Rating:5
Value Rating:5
Submitted by djape48 a Cross Country Rider from Sabac, Serbia

Date Reviewed: July 19, 2011

Strengths:    Easy to mount, very good sensor (wired unit), resistant (occasional rain and few drops to ground) and reliable

Weaknesses:    none after 6 years

Bottom Line:   
I can't believe those tards saying "this product sucks". It was very easy to mount and stayed mounted for many years (rubber straps so what?!). Sensor is good, detects every pass of a magnet regardless of bumps or anything. Battery lasts for aprox. 3 years (every day usage except during winter). I found this product to be awesome quality for the money, I'm not sure if you can still buy a new one (it's old model) but I just wanted to share my good experience with Sigma BC 800

Expand full review >>

Duration Product Used:   More than 3 years

Price Paid:    $16.00

Purchased At:   Capriolo

Similar Products Used:   Sigma BC 1200

Bike Setup:   Capriolo Agama

Overall Rating:1
Value Rating:1
Submitted by gpz1170 a Cross Country Rider from wisconsin

Date Reviewed: January 15, 2011

Strengths:    Doesn't suck nearly as bad as having cancer, but close.

Weaknesses:    Held together with rubber bands.

sensor that attaches to the fork does't have enough adjustment to pick up the sensor on the wheel.

General overall bad design.


Bottom Line:   
I picked this up new at a local swap meet for $7. With that money I could have bought Chinese food for lunch and got explosive diaherra which would have been less frustrating that trying to get this junk to work.

Never buying Sigma product again!

I gave the "value rating" and "overall rating" a 1 because -10 was not an option.

Expand full review >>

Favorite Trail:   any

Duration Product Used:   Less than 1 month

Price Paid:    $10.00

Purchased At:   swap

Bike Setup:   Yeti 575

Overall Rating:5
Value Rating:5
Submitted by Chris a Racer from Ft. Collins CO

Date Reviewed: April 1, 2007

Strengths:    been working for 7 years

Weaknesses:    ?

Bottom Line:   
I'm not sure what type of moron can't get this computer set up correctly. I've had mine mounted for 7 years without any problems. Breaking rubber bands? What are you wrapping them around? Seven years and the same bands are still mounted onmy bike. The only problem I had with set up was mounting the magnet to my Ksyrium wheelset. Had to modify the magnet to fit the flat spokes. I've never had a problem with the sensor nor picking up the magnet. Maybe you people need to take some kind of class for morons or something. Computer works great

Expand full review >>

Duration Product Used:   More than 3 years

Price Paid:    $35.00

Purchased At:   can't remember, been a long time


Overall Rating:1
Value Rating:1
Submitted by Mike a Cross Country Rider from Santa Monica, CA USA

Date Reviewed: December 8, 2006

Strengths:    Easy Set Up, Simple to Use

Weaknesses:    Rubber bands! Unrealiable

Bottom Line:   
Piece of *^$#! Don't waste your time. Completely unreliable sensor. Many times i would hit a tiny bump and would have to stop to readjust the sensor. It just decided to stop working on me after a few weeks of use. Also, the rubber bands are ridiculous. I had one snap on me a day after i put it on. You get what you pay for don't bother with this thing.

Expand full review >>

Duration Product Used:   Less than 1 month

Price Paid:    $25.00

Purchased At:   Performance

Similar Products Used:   Cat Eye, Vetta

Bike Setup:   Gary Fisher Big Sur Hardtail

Overall Rating:4
Value Rating:5
Submitted by Jeep_Nut a Cross Country Rider from USA

Date Reviewed: June 27, 2005

Strengths:    Functional bike computer that hasn't broken off my handlebars after crashes.

Weaknesses:    The little magnet on the spoke does need to be properly in place for the sensor to pick it up. I reset my computer and check the mag before each ride.

Bottom Line:   
I do not ask much from my computers, current speed, max speed (for downhill runs), distance and a clock.

What I like about my 800 (which is quite a few years old) is the computer saddle and the sensor mount are both held on with big O rings. I wreck, hey it happens. All of my other computers died in a wreck, usually the computer got ripped off the mount when the handlebars made contact with the earth. One time my knee followed into the bar after the computer came off, giving me a huge gash.

When it comes time to buy another computer, if Sigma still uses the same O ring idea, I will go with Sigma.

I rate the Value at 5 because it was cheap and has lasted a long time and the overall at 4 because of the poor magnet mount idea.

Expand full review >>

Duration Product Used:   More than 3 years

Price Paid:    $30.00

Purchased At:   LBS

Similar Products Used:   Jeez...it has been a while but I tried a Specialized, a Cat Eye and a few others quite a few years ago.

Bike Setup:   The bike this is on is a 2001 Chameleon built w/XTR.

Overall Rating:2
Value Rating:3
Submitted by Dan a Weekend Warrior from College Park, MD, USA

Date Reviewed: May 9, 2005

Strengths:    Easy to mount with rubber bands, large size speed indicator

Weaknesses:    Sensor is really underpowered and moving it by even 1 mm may cause the computer to not detect anything at all, no average speed mode (RRGHGH!), no start/stop button

Bottom Line:   
The cheapest computer REI had for sale. It works reliably once you set it up right, but has no average speed mode, which bugs me a lot, since what I'm usually interested in is making sure I'm keeping up a good pace.

I used to use a DB 4LW wireless computer on my mountain bike, got it for $25 at performance. This was a much better choice: large font 4-line display and much less finicky sensor.

Expand full review >>

Duration Product Used:   6 months

Price Paid:    $20.00

Purchased At:   REI

Similar Products Used:   DB 4LW wireless computer

Bike Setup:   Trek hybrid

Overall Rating:2
Value Rating:2
Submitted by Adik a Cross Country Rider from Moscow, Russia

Date Reviewed: January 6, 2005

Strengths:    BIG digits of speed indicator. The biggest speed idication I've seen yet on cycling computers.

Weaknesses:    Extremenly unreliable cadence detector (the part on your fork that detects the magnet on your spikes). Magnet doesn't fix dead on the spokes. Computer post is weak, esecially on new generation of Sigma computers.

Bottom Line:   
The only thing that makes me use Sigma BC800 is the biggest size of speed indication digits of all cycling computers. The most unreliable part is surely cadence detector. It can go out of action upredictabely. It can be a really big problem when you're on a bike travel abroad, because sometimes carefull navigation is a question if not of life and death, then at least of comfort for the nearest night.
A small relief is that Sigma sells Repair Kits for computers, which contain cadence detector (5$). So you've got to carry one spare detector with you all the time.
Another weak moment - the magnet is fixed flexible on the spokes, that's why if something hits your wheel, your magnet can move from the right place and the computer won't operate. You'll have to stop and restore the position of the magnet.
Finally, those new posts for computers (square, with round jack for the computer) are very weak. That square plastic thing just rips off the part, which holds the rubber.
To summ it up, Sigma BC800 will only be useful for those, who need big-scale indication. Otherwise, buy CatEye.

Expand full review >>

Duration Product Used:   More than 3 years

Price Paid:    $20.00

Similar Products Used:   CatEye Velo8

Bike Setup:   Transmission - Alivio
Hubs - XT
Rapidfire - Acera

Overall Rating:4
Value Rating:4
Submitted by Bryan a Cross Country Rider from Colorado Springs, Colorado, USA

Date Reviewed: July 1, 2004

Strengths:    Flashy, yet simple design
Easily readible display
All the simplistic features you need


Weaknesses:    Docking station on the bike is reliable, just have concerns for the future
Rubber-band (more like o-ring) fasteners


Bottom Line:   
My first impression of this computer was good. I enjoy the simple design and ease of use when riding. Very easy to reset the travel distance, time traveled, etc.

I've been looking for a simple computer like this for weeks, and Sigma has provided just the thing I need.

Expand full review >>

Duration Product Used:   Less than 1 month

Price Paid:    $20.00

Purchased At:   Ted's Bicycles

Similar Products Used:   Bell Speedometer (from Wal*Mart)

Bike Setup:   Diamondback Coil '04
Stock everything

Overall Rating:4
Value Rating:3
Submitted by Rich from Dresden

Date Reviewed: April 23, 2004

Strengths:    good computer for it's price; excellent readability; buttons work; twistlock is the best attachment mechanism I know

Weaknesses:    no average speed!?!

Bottom Line:   
I basically write these line because I got excellent support by Sigma when the wire was (internally) broken. They sent a new socket without any hassle.

Expand full review >>

Duration Product Used:   1 Year

Price Paid:    $15.00

Bike Setup:   CUBE LTD1

Overall Rating:4
Value Rating:5
Submitted by Vic a Cross Country Rider from Moscow, Russia

Date Reviewed: March 30, 2004

Strengths:    Decent machine for its price, most the functions needed are here.

Weaknesses:    Hard to mount on RockShox forks (need to slide almost all the way down). No avg speed, lacks stopwatch, no gear indicator... but, hey, for just $20 it rocks.

Bottom Line:   
Nice thing. Compared with FlightDeck it lacks avg speed, stopwatch and controls are not that comfortable, but, man, its 1/5 of the FlightDeck's price. What really sucks is sensor setup, it has poor compatibility with different forks.

Anyhow, nice value. Have enough bucks for FLightDeck, go for it. Less - try upper Sigma models. No need for stopwatch and advanced functions - go for that one.

Expand full review >>

Duration Product Used:   3 months

Price Paid:    $20.00

Similar Products Used:   Shimano FlightDeck

Bike Setup:   GT Avalanche 1.0, XT, LX, blah-blah-blah...

Overall Rating:4
Value Rating:4
Submitted by Tim a Racer from Arlington, VA, USA

Date Reviewed: January 6, 2004

Strengths:    Cheap, no tools required for installation!!! Easy to use and set up. Can mount on stem to save space on handlebars (screwdriver required). Lightweight magnet, great for road racing.

Weaknesses:    Magnet can rotate on spokes when you brush against it. I replaced magnet with one that is held in place by a screw. No average speed.

Bottom Line:   
Easy to set up and use! Holds up well, several rides/races in mud/light rain/snow with no problems. Computer twists off instead of pushing straight on, so much less chance of accidentally bumping it loose (lost my Vetta this way). On carbon fiber road bike forks it can be tough to fit sensor and magnet between fork and spokes -- buy a rear-wheel cyclometer instead or use wireless kit. *** TIP - on mtb forks you need to use two of the mounting bands to hold it on.

Expand full review >>

Favorite Trail:   any fast singletrack

Duration Product Used:   1 Year

Price Paid:    $20.00

Purchased At:   REI

Similar Products Used:   cateye, avocet, vetta

Bike Setup:   Yeti mtb, Cannondale road bike, Barracuda mtb (for commuting)

Overall Rating:4
Value Rating:4
Submitted by Tongue a Cross Country Rider from Schweinfurt, Germany

Date Reviewed: July 13, 2003

Strengths:    Simple to instal, Customer Support, Size, easy to read and figure out, double sided tape on mount and sensor. Haven't had any problems with the wire even after bushes and crash.

Weaknesses:    O-ring for front fork is a little small. Broke the first one in a week (stretched it too much). Went back to the place i bought it and they gave me a couple free of charge. Needs larger o-ring to compensate for front shocks.

Bottom Line:   
Good product bought because it was inexpensive and had all of the functions I wanted for a bike Computer. No problems with autostart or stop. Computer stays on a little bit longer than I want it to after I get done riding, but no big deal. Then button to change the functions also pushes a little bit harder than I like. I would recommend it to anyone who has never bought a computer and would like something that is simple to instal and use.

Expand full review >>

Favorite Trail:   Höchberg

Duration Product Used:   3 months

Price Paid:    $13.00

Purchased At:   Schauer

Similar Products Used:   None

Bike Setup:   99' Iron Horse G-out

Overall Rating:4
Value Rating:5
Submitted by Almoe a Weekend Warrior from Encinitas CA

Date Reviewed: June 5, 2003

Strengths:    Simplicity compared to other computers. Value. Good basic info for the money. Have had no real problems with the rubber band straps - easy to remove base/fork unit for cleaning.

Weaknesses:    Would recommend only for Roadies. I wouldn't put it on my mtn bike. Sensor can pop loose at times.

Bottom Line:   
Decent basic unit with few problems. Great value for the money. Don't have to pull out the manual too often. Over 4k miles on it and still ticking.

Expand full review >>

Favorite Trail:   road=Elfin Forest

Duration Product Used:   2 Years

Price Paid:    $15.00

Purchased At:   Nytro

Similar Products Used:   Vetta wireless that died in 2 weeks, Cateye.

Bike Setup:   road = Klein Quantum Race

Overall Rating:1
Value Rating:1
Submitted by Frank a Weekend Warrior from San Luis Obispo California

Date Reviewed: April 7, 2003

Strengths:    The computer worked.

Weaknesses:    RUBBER BANDS TO HOLD IT ON??!!! You've got to be kidding. The fork sensor is held in by gravity and of course, a rubber band. The release button is so light you can't tell when you've unclipped the computer.

Bottom Line:   
When I got it I thought it was a joke. Yeah, I'm going mountain biking with a component that is held on by rubber bands. So I zipp tied what I could and hoped for the best. Well at the end of the second ride the computer was gone. Probably lost it while portaging over a creek. This computer is a waste of time and money. They're cheap for a reason. Don't bother.

Expand full review >>

Duration Product Used:   Less than 1 month

Price Paid:    $15.00

Purchased At:   nashbar

Similar Products Used:   Specialized

Bike Setup:   Blur with nice stuff

Overall Rating:5
Value Rating:5
Submitted by Alden a Cross Country Rider from Hinsdale, IL

Date Reviewed: March 17, 2003

Strengths:    I have several of the BC800's and Targas on my bikes. I have had a water logged problem after getting poured on while touring. The computer did condensate. Had a few problems with the wireless set up too, but all of these problems were easily and quickly fixed by Sigma's customer service dept. They have awesome support and stand by their products. I got rid of my very expensive Flight deck cuz I could not stand it stopping all the calculations if you bumped the button on the shifter. The mounting systems is great! MTB will have problems with the rubber band type straps but for roadie's this is super!


Weaknesses:    Like any computer, these too will have a few problems.

Bottom Line:   
You will not find any better customer service in this industry than Sigma! Look for the new RDS wireless coming out - very cool! If you can find it on sale all the better. Found the wireless set-up at Performance for $12.99. A while back Performance had the RCS wireless set-up and BC800 for $27.99 - what a deal!

Expand full review >>

Duration Product Used:   More than 3 years

Price Paid:    $18.00

Purchased At:   where it's cheapest!

Similar Products Used:   Avocet, Flight Deck, Cateye, Trek, Axiom, & Vetta.

Bike Setup:   Trek 5500, Fondriest, Bike Friday, Trek R-200, Trek Fuel 100

Reviews 1 - 15 (46 Reviews Total) | Next 15

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