Sachs Plasma Derailleur

3.38/5 (13 Reviews)


Product Description

Plasma


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Reviews 1 - 13 (13 Reviews Total)

User Reviews

Overall Rating:1
Value Rating:1
Submitted by Pentimento a Weekend Warrior from USA

Date Reviewed: September 4, 2009

Bottom Line:   
Outfitted to Porsche Mountain Bike. Second time riding, through a slightly hilly neighborhood, and he Sachs Plasma exploded into five pieces and bent horribly. Plastic is a bad idea for this part.

Expand full review >>

Duration Product Used:   Less than 1 month


Overall Rating:3
Value Rating:3
Submitted by Adam from Northampton

Date Reviewed: August 22, 2005

Strengths:    Very light, Shimano Compatible, unusual.

Weaknesses:    As it it were designed to break.

Bottom Line:   
It's interesting and proably more at home on a road bike where I would not heasitate to use it. Shifts very good both up and down and some hard power shifts. Not up to real mountian biking.

You can buy these now cheap on eBay and if you use your bike mostly on the road that's fine.

I was riding my usual trail the third or 4th time out and didn't even realize I hit anything. The cage that hold the pulleys twisted and broke and the derailure came apart at the piviot screw. It was totally destroyed. I am sure that a rock getting kicked up did this. No Shimano derailure would have broken simularly. You could smash this thing right off and not even tweek the hanger.

Interesting but not for MTBs.

Expand full review >>

Favorite Trail:   Mt. Tom

Duration Product Used:   Less than 1 month

Price Paid:    $10.00

Purchased At:   eBay

Similar Products Used:   Many, many Shimano derailures. From LX to XTR model years 1990 to '04

Bike Setup:   Jamis Dakar XTish build up.

Overall Rating:4
Value Rating:4
Submitted by American_Lesion a Cross Country Rider from Bradford, PA USA

Date Reviewed: September 20, 2004

Strengths:    Smooth shifter, inexpensive, direct cable routing

Weaknesses:    Plastic construction (I guess), no longer made, no barrel adjuster

Bottom Line:   
Shifts better than an XT unit with the same shifters. It is partailly plastic, so its probably not a good choice for freeriders, trials guys, or DH nuts. The thing is very light. No replaceable parts...no barrel adjuster. Does hold its adjustment quite well. Quiet. Reasonably inexpensive.

Expand full review >>

Favorite Trail:   Oil Creek, Allegheny, & Sugar Creek Trails

Duration Product Used:   2 Years

Price Paid:    $40.00

Purchased At:   Cambria Bike Outfitter

Similar Products Used:   Suntour A-5000, XCE-4050, XC-9010, Shimano Acera X, Alivio, Altus A-30,Exage M350 Trail, Deore, Deore LX, Deore XT, Sunrace M50 and M60

Bike Setup:   Fuji Cadenza 1988 Cromo Ishiwata Quad-butted frame, Diatech U-brake, Promax V-brake, Nashbar-branded dual position brake levers, Exage M350 crankset, Hatta Vesta BB, Syncros outer, LX middle, and Specialized inner chainrings, KMC Z-chain, SRAM MRX shifters, Flat silver alloy bars, Nashbar stem, Judy TT fork, Weinmann rims, DT spokes/nipples, Acera-X hubs, Falcon freewheel, Kalloy seatost, SDG saddle, Profile Tomac bar ends w/ lizard skins covers, Schwinn grips, Kenda urban slick tires, Exage M350 front derailleur, and Nashbar special clipless pedals

Overall Rating:3
Value Rating:3
Submitted by Scott a Racer from Falmouth, MA

Date Reviewed: June 16, 2002

Strengths:    Light
Shifts well and smooth
Cable routing through derailleur makes shifting effortless


Weaknesses:    fragile

Bottom Line:   
shifts great
one hit on a rock and see ya later
i got this for free, dont waste your money on it get 9.0sl

Expand full review >>

Duration Product Used:   3 months

Purchased At:   Corner Cycle (Local LBS)

Similar Products Used:   XTR, XT, LX, 9.0, X.O. and everything else ever made even a crazy white industry linear sliding derailluer thingy

Bike Setup:   Tomac 98 Special, Mars super, sram X.0., avid disc, hugi 240 hubs

Overall Rating:2
Value Rating:2
Submitted by Hardcore a Downhiller from Germany

Date Reviewed: January 20, 2002

Strengths:    light
different design


Weaknesses:    bends
breaks
can't hold the chain in its cage


Bottom Line:   
I had two of them. Firt one was the original Sachs Di.R.T. Plasma.
It broke! Second one was the SRAM thing and guess what happened.

I would recomend Shimano even if they are monopolistic people.
But their stuff mostly works. Take XTR or Deore. Forget LX and XT!

Expand full review >>

Favorite Trail:   Die Rinne

Duration Product Used:   1 Year

Price Paid:    $65.00

Similar Products Used:   GS 200, Exage, Deore, DX, LX, XT, XTR, Plasma

Bike Setup:   GT ZASKAR with cool costume stuff!
very hot!

Overall Rating:5
Value Rating:5
Submitted by Chris Brattle a Downhiller from Birmingham, England

Date Reviewed: May 5, 2001

Strengths:    Light, works well and carries on working.
Best Mech is you like it muddy
Unfussy Warranty
Very Different
Not Shimano


Weaknesses:    Twat it hard and it breaks (Duh!)
Hard To set up initially


Bottom Line:   
I have had the same rear mech for three years, it has outlasted several frames! once you get past the initial stress of setting it up and paying for the damn thing it reaslly just sits there letting you forget about it, wanna shift up a whole block on one wrench whilst pedaling full out, this drailler will do it, through rain or snow, this is why I hsve the oldest, most battered drivetrain of anyone I know, which still out performs XTR straight from the box, O.K I have broken ione but the warranty replaced it almost immediately without quibble, and the second has lasted forever, beautifully made, brilliantly designed, works above and beyond the call of duty, at this rate I'll be leaving it in my will!

Expand full review >>

Favorite Trail:   Woburn Sands

Duration Product Used:   More than 3 years

Price Paid:    $110.00

Purchased At:   Mountain Mania (Brilliant Shop, plug plug!)

Similar Products Used:   Every Shimano, Most SRAM

Bike Setup:   San Andreas DHS, MX6's Hope DH4's etc etc.

Overall Rating:4
Value Rating:4
Submitted by tom tomskins a Weekend Warrior from usa

Date Reviewed: February 15, 2001

Strengths:    tougth and durabale, top of the range sachs shiffting
reliable.perfornace is top wack. will make u smile.
compatibale with any groups sets


Weaknesses:    plastic not very atractive looking u will need a sachs chain 2 go with it. pricey for a bit of plastic

Bottom Line:   
want 1 of the best performers out there then give this a good a bit steep in the pice tag but worth the extra dollars.

Expand full review >>

Duration Product Used:   2 Years

Price Paid:    $70.00

Similar Products Used:   xtr

Bike Setup:   trek oclv 2000 team

Overall Rating:5
Value Rating:5
Submitted by andy da-costa from London greenford

Date Reviewed: April 12, 2000

Strengths:    super light and shifts like you expeect it too.

Weaknesses:    very expensive retails at £80.

Bottom Line:   
do not under estimate the power of this rear dirilier it may look britill but its stronger than your leg.down side its pricy .

Expand full review >>

Favorite Trail:   the look out

Duration Product Used:   6 months

Similar Products Used:   xtr the same but is hevier

Bike Setup:   s works m2 team edition judy dh 97 mavic cross links esp front mech plasma shifters,xt caset,avid flak jaket cables
the boom like set up for x-country and dh riding

Overall Rating:5
Value Rating:4
Submitted by Jason a Racer from Cincinnati

Date Reviewed: March 2, 2000

Strengths:    Superlight-compared to anything, shifts when ESP or XT would lock up (dusty conditions, muddy conditions). Works with 7,8 or 9 speeds.

Weaknesses:    THE CABLE HOUSING ABSOLUTELY MUST BE THE CORRECT LENGTH. There is a chart in the box, and in the manual. It shows the special cable housing lengths. If you don't cut within 20mm, the derailluer will not work right.

Bottom Line:   
It works well if you have the cable housing cut correctly. The Quartz works very well also, has many of the same features, and costs about half as much. The only derailluer that competes with this is the 98+ XTR. As bad as it sounds, I'd rather be sending my money to the Frenchies.(Although Sachs is owned by SRAM Chicago)

Expand full review >>

Favorite Trail:   Tower Park/Fort Thomas

Duration Product Used:   1 Year

Similar Products Used:   Shimano 97LX, 95DX, 94XT, 95XT, 98XTR. Sram 97ESP 9.0, 98ESP 9.0SL Sachs/Sram Quartz

Bike Setup:   Bontrager RaceLite OR, 9 Speed XT all around, Rolf Propel Pro wheelset.

Overall Rating:1
Value Rating:1
Submitted by M.R. O. a Cross Country Rider from Montreal, Quebec

Date Reviewed: February 17, 2000

Strengths:    Very light,very good design (direct pull), very good shifting

Weaknesses:    Built with extremely cheap plastic, very prone to breakage. Only good for the city in my opinion.

Bottom Line:   
I was very enthousiastic about this derailleur for two or three weeks. It was working very well until I started to bike in a nasty singletrack; I am not sure exactly what happened but the Plasma shattered in three pieces where the plastic parts are the thinnest. My master mechanics had warned me about the drabacks of this derailleur. He was right. Anyways, I did not want to waste any more time so instead of a replacement I got myself an XTR, a much tougher derailleur.

Expand full review >>

Favorite Trail:   Le p'tit train du Nord trails, Prévost

Duration Product Used:   Less than 1 month

Similar Products Used:   Acera x, STX, STX RC, XTR

Bike Setup:   Upgraded Klein Hardtail.

Overall Rating:3
Value Rating:3
Submitted by Marcel Frenk a Cross Country Rider from Nijmegen, the Netherlands

Date Reviewed: February 10, 2000

Strengths:    With the Sachs grip-shifters this is by far the fastest shifting deraileur, and the most precise too. When not worn around its pivot-points, no ghostshifts at all. Way better than Shimano XT and XTR (who work fine with shimano shifters though, but still ghostshift on my fully)

Weaknesses:    Very weak chainwheels (or pullywheels, whatever you call `m in english), they wear out fast, or their bearings fail, and when they fail, the bottom one unscrews itself (indicating a stupid construction, lost a lot of parts in the forrest because of that, causing an unwelcome singlespeed experience ). The pivot points wear out to fast (within nine month`s or so), when worn the derailleur starts to ghost-shift etc. And although they are sold as being servicable, in NL no importer service is available, nor are replacement parts.

Bottom Line:   
I used two of these during the last 20 months, because they worked the best with the Sachs Plasma gripshifters I bought. Way better than Shimano XT and Sachs Quartz alu. Supershifts are possible, but the derailleur has some weaknesses SRAM should learn from. With a good cable setup it`s not too sensitive to mud, so that`s OK in my experience. But the chainwheels wear out too fast, and their bearings are prone to jamming themselves. When this happens (during a muddy ride, during which you endure so much rolling resistance and chain noise that the protesting chainwheels get unnoticed) the lower chainwheel unscrews itself out of the derailleur cage, and suddenly all is lost! Stupid construction detail! The pivot points wear out fast, and since these are metal parts mounted into a composite material, in theorie it`s possible to repair the derailleur. Unfortunately SRAM NL (or Koch Kleeberg) supplies no spare parts, nor offers a rebuild service. Which means you can throw away a Fl. 200,- (guilders, not dollars) derailleur every ten months... Went back to Shimano XT, reluctantly accepting a lesser shifting performance and some ghostshifts on heavy bumps.
If anyone of SRAM reads this, I appreciate any comments you have on this.

Expand full review >>

Favorite Trail:   the forests around Nijmegen

Duration Product Used:   2 Years

Similar Products Used:   Shimano XT, Sachs Quartz (the metal one, horrible!)

Bike Setup:   `94 Specialized Stumpjumper FSR, changed the brakes to Magura, the shifters to SACHS Plasma gripshifters

Overall Rating:3
Value Rating:3
Submitted by Hoss a Cross Country Rider from Ohio

Date Reviewed: January 20, 2000

Strengths:    Light, smooooth, warranty

Weaknesses:    Weak plastic, price

Bottom Line:   
I just broke my second Plasma inside of 12 months. The first one lasted about 8 months and the plastic side of the cage broke. Sent it to my dealer, Bikeworks in Toledo (fantastic service), and they hooked my up with a new one. Used the second one twice and POW, the knuckle broke while I was climbing a hill. It was about 20 degrees outside when this happened and I am not sure if that caused the plastic to become brittle. Anyhow, I will give the Plasma one more shot because it shifted so nice.

Expand full review >>

Duration Product Used:   1 Year

Similar Products Used:   LX & XT

Bike Setup:   Bontrager Race, Superfly, Valiant wheel set

Overall Rating:5
Submitted by Eric a racer from Newtown CT, USA

Date Reviewed: January 1, 1999

Bottom Line:   

This is the best rear-derailleur, i started out with an STX and got an XT, but the damn thing fell apart, the Sealed Bearings are crap, they fill with mud and stop turning, and then it just acts like a bushing. My Friend has had an Alivio, an LX, an XT and both the XTR normal and Rapid-Rise, he hated his XT, it fell apart, so far the XTR(the normal one, he returned the Rapid-Rise because it worked backwards) derailleur is working great. I thought it was cool for a while, but different things about it got more annoying and when the bottom pulley shot off and chased me down the road one day I decided to try the Plasma. True, the Plasma cost 3 times as much, but doesnt a BMW cost 3 times as much as a Toyota?(and im not dissin Japanese car companies, they make THE MOST RELIABLE cars in the world.) But if you want performance and engineering you need Sachs. The XTR and Plasma both have real engineering and quality and real CARTRIDGE BEARINGS, A MUST HAVE IN ANY COMPONENT! If you dont mind the price get a Plasma, and if you want almost as good without the German twist get an XTR.

Reviews 1 - 13 (13 Reviews Total)

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Replacement covers for Grip Shift Plasma's?

Anyone have a set of spare grips for these? Or know of a source? I've checked the usual places, can only find 500/600/x-ray covers. Thanks.Read More »

Glue K-Edge Mount to Plasma Stem??

I have used various GoPro mounts on my road bike and the only one that produces good results is the K-Edge saddle mount ([url=http://www.acecosportgroup.com/shop/k-edge-go-big-go-pro-hero-camera-mount/go-big-pro-saddle-rail-mount.html]GO BIG Pro Saddle Rail Mount - K-Edge GO BIG Mounts[/url]) for re ... Read More »

Superstar Plasma Chainguide with Truvativ Stylo?

Hiya guys, I've got a superstar plasma chainguide on my on-one 456 carbon with Truvativ stylo cranks, but i'm having massive problems with alignment. Running the chainguide in place of the single drive side BB spacer as I should. Filed the granny ring tabs off (were interfering with the chaing ... Read More »

plasma televisie

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OT: Anyone with a plasma cutter AND a soldering iron?

Now I need to bits of tool I don't seem to have.... Does anyone have access to a plasma cutter I can use for all of about five minutes? I need to modify my shovel for dog duty in the back yard. Whole yard is sand, so I want to cut vents into the shovel head to the poo, but not the sand. And I ... Read More »

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