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Mongoose Iboc Pro SX

MSRP $
# of Reviews 20
Average Rating 4.55/5
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Submitted by Jose a Racer from Va
Date Reviewed: September 28, 2006
Duration Product Used:3 months
Price Paid: $150.00
Purchased At:target
Strengths:Great bike!!! High Stamina and exelent speed!!! Climbs like a breeze!
Weaknesses:Nooooo!
Similar Products Used:small Mongoose BMX!!!
Bike Setup:Came built
Bottom Line:Great bike, must buy and need for speed!!!
Value Rating:5Overall Rating:5

Submitted by Susan Bourne a Cross Country Rider from Thunder Bay, ON, Canada
Date Reviewed: September 14, 2006
Favorite Trail:anywhere in Northern Ontario
Duration Product Used:More than 3 years
Price Paid: $500.00
Purchased At:Private Sale (friend's bike)
Strengths:Light frame. Extremely agile
Weaknesses:NONE
Similar Products Used:None
Bike Setup:No suspension!
Bottom Line:I have had this bike since 1994. I have done nothing to it except tun-ups and tires. I ride everywhere and always have. I have never found a bike that I enjoyed more.
Value Rating:5Overall Rating:5

Submitted by Joe a Racer from San Jose
Date Reviewed: April 1, 2003
Favorite Trail:Grant Ranch
Duration Product Used:More than 3 years
Price Paid: $600.00
Purchased At:Reed's Bike Shop in 1989
Strengths:Tange cromoly frame is beefy.Wishbone rear stay keeps the frame from flexing during climbs and hard sprints.Straight blade Tange forks look cool.
Weaknesses:Non really except 26.4 mm seat tube diameter is too small to upgrade to a wider,modern seatpost.Typical of mountain bikes this old.Tange headset needed replacing after efforts to tighten down constantly.Replaced with Chris King.
Bike Setup:Shimano XT derailleurs,XT brakeset,Tioga T-Bone w/ Answer Hyperlite XC Handlebars. Shimano STX 175mm crankarms w/42t Suntour PowerRings.Specialized B-26 rims w/ 26x2.00 Hutchinson Mosquito Airlights.Nashbar 26.4 mm seatpost/Sella Flight SLR Ti saddle.Odyssey Svelte cage pedals,1992 Titec/Bontranger Titanium bolt kit.
Bottom Line:This is the original 1989 IBOC Pro.Frame design based on John Tomac's winning IBOC Team bike.It's also my first racebike used in my first ever offroad race so it holds a special place in my collection.Favorite phrase to describe this bike still holds true;A Rocket!With some upgrades to modern tires and seats.Still a very good looking bike.A little heavy but still very fast.Climbs and sprints like a rocket.
Value Rating:5Overall Rating:5

Submitted by tbone a from Toronto, Ontario, Canada
Date Reviewed: September 24, 2002
Duration Product Used:More than 3 years
Price Paid: $1000.00
Purchased At:The Cycle Path
Strengths:Frickin' light! Awesome shifting, best ride ever.
Weaknesses:kind of low bottom bracket, almost sketchy on fast downhills. didn't dig the twist shift either - prefer rapidfire. indys were kind of not supple (but light).
Similar Products Used:nothing compared or compares (that i've tried)
Bike Setup:cro mo frame, all xt, rear derailleur was sram, thompson post, selle san marco seat, titec stem, mavic 221 rims. awesome cool. indy xc 3" travel.
Bottom Line:this bike rocked so hard. i beat the poop out of it over and over, ground the hell out of the derailleurs and the chain and never broke a thing. super light at like 22.5 pounds it climbed like a dream and was soooooo nimble on single track, i miss it so much i really do. the only bike i've ever had that i had like no problems with. only a bit of chainsuck, but no big deal. amazing xc racer. sad story: my cousin folded the frame and then the whole thing was stolen out of my garage. if anyone out there that would part with their frame, i want it so bad. please sell it to me.
Value Rating:5Overall Rating:5

Submitted by ernie a Cross Country Rider from los angeles
Date Reviewed: April 12, 2002
Favorite Trail:Beaudry
Duration Product Used:More than 3 years
Price Paid: $1000.00
Purchased At:RollingHills Cycle
Strengths:lightweight chromoly frame, toptube is slanted, great Shimano XT parts, Avid, Mongoose mix, Hutchinson tires, XT wheelset with Mavic 221
Weaknesses:Front fork---RS Indy XL
Rear cassette 11-28. Needs a 30, 32 big cog. I cant climb very well on steep stuff with a 28 tooth.
Similar Products Used:no chromoly high end bikes Ive ever seen
Bike Setup:stock, except for lights. The 1997-98 IBOC Pro SX is already loaded, unless you want XTR.
Bottom Line:Ultra light chromoly is as light as a good 7005 aluminum but feels better on the trail. Too bad Mongoose doesnt make this frame anymore since I dented the downtube on a boulder. But I rode this badboy all summer long in 98 and 99.
Value Rating:5Overall Rating:5

Submitted by joe mama a Weekend Warrior from beverly hills
Date Reviewed: June 4, 2001
Favorite Trail:just chillin
Duration Product Used:More than 3 years
Price Paid: $500.00
Purchased At:millers
Strengths:this bike has a very good frame wich i think is aluminum but it has a great ride to it and very comfotable.
Weaknesses:NOTHING pedro!
Similar Products Used:? cant find one man to cool
Bike Setup:rock shocks gel grips 21 speed bike very fast fun to ride
Bottom Line:The coolest bike I have owned yet still have it and i wont let it go!
Value Rating:5Overall Rating:5

Submitted by Antonio S a Weekend Warrior from NY
Date Reviewed: February 9, 2000
Favorite Trail:All
Duration Product Used:More than 3 years
Strengths:-Lite, LIte, LITe, LITE frame!!!
-Great looking
Weaknesses:-If you hit any of the tubes the wrong way the carbon gets crushed.
-Easy to break if you are an aggressive rider and weigh alot
Similar Products Used:Lots- I worked in a bike shop for 7 years.
Bike Setup:All kinds of high zoot parts. Total weight- 23.4 lbs
Bottom Line:Man, did I beat the crap out of this bike! Mine was a '95 model. I broke the frame twice and scratched the hell out of the poor thing. I weigh 200 lbs so you can imagine how hard this bike had it. I even went Downhilling with this thing- AND CRASHED- HARD- MANY TIMES!

It was the best XC bike I ever owned. I loved this bike and only got rid of it in '97 because I bought an Intense Uzzi SL.
"Whereever you are buddy, rest in peace!"
Value Rating:5Overall Rating:5

Submitted by tracer a Weekend Warrior from Santa Ana, CA
Date Reviewed: December 29, 1999
Favorite Trail:
Trabuco Canyon
Duration Product Used:
6 months
Strengths:
Light frame, good brakes, excellent shocks...
Weaknesses:
Gears
Similar Products Used:
Diamond Back Bertex,
GT Pantera
Bike Setup:
Rock Shox Judy SL Long travel, Lx shifters, Shimano brakes
Bottom Line:This bike really kicks ass, specially uphill. I had this bike for about six months and haven't had any problems with it. I ride this bike about twice a week and it takes a lot of abuse. I like the lightness of the frame and the way it handles hard terrain. The whole setup is good. This bike is well worth the price! I give Mongoose two thumbs up
and five chilies!!
Overall Rating:5

Submitted by Cliff a Racer from Central Texas
Date Reviewed: May 23, 1999
Duration Product Used:
more than 3 years
Strengths:
The '92 7005 Al frame very responsive
Weaknesses:
Not for all people
Similar Products Used:
Specialized Stumpjumper, Schwinn PDG-90, Cannondale M500 (sux)
Bike Setup:
LX/XT, Rock Shox Judy SL
Bottom Line:I still ride this frame at some races depending on terrain, and probably will for years to come. Fast and light frame and very easy to handle in tight places. This is a bike that you need to ride before you buy it, if it feels sweet, get it, if it makes you hurt don't.
Overall Rating:4

Submitted by Paul a Weekend Warrior from Troy, NY
Date Reviewed: May 2, 1999
Favorite Trail:
still looking
Duration Product Used:
3 months
Strengths:
very light, responsive
Weaknesses:
Gear shifter not numbered, sometimes, but it's OK.
Similar Products Used:
Specialized Stumpjumper
Bike Setup:
Standard spec, no new modification. Go to www.getabike.com to find the spec.
Bottom Line:Good bike for the money. However, sometimes the chain kind of squeaking when I had the lowest gear. Tried to lube it, did not work. Other than that, no complain so far.
Overall Rating:5

Submitted by ken a cross-country rider from va
Date Reviewed: January 18, 1999
Bottom Line:

I have the 1997 Iboc pro sx.It is a light and nimble riding bike.I live on the east coast and the bike is well suited for the tight, twisty, and rooty terrain
we have.The frame has just enough flex to make the ride comfortable.With xt/lx
and a judy xc the bike is 24lbs.A great bike..
Overall Rating:5

Submitted by Brian a cross-country rider from Mississauga, Canada
Date Reviewed: August 23, 1998
Bottom Line:

Excellent value for the dollar. Super-light, ethereal handling on singletrack. HOWEVER, be prepared for lotsa flex. If your a light rider, its o.k. If your heavy (or clydsdale) your screwed. The Indy SL Long travel - flexy. The 'Ritchy Logic' tubing - flexy. The rims, stem, handlebars - all light, too light; built for weight, not strength - you will have to replace them (shortly). Last beef, paint. The paint seems to chip VERY easily.
However, all of this pales by comparison to a 23.5 Lb, XT grouppo hardtail, that flies.
Overall Rating:4

Submitted by Satch a cross-country rider from Canada
Date Reviewed: June 16, 1998
Bottom Line:

I got the mongoose proSX in 95...it had the carbon frame and pretty good compenents ....also a great price...but a monthe after i bought the bike i notice flex in the carbon fiber frame....i brought back to the store a few time and they told me it was nothing... but later on i discouver that i already cracked the frame by the bottom bracket all the way thru.....and iu can stretch the frame an extra inch....after the time i never go back to carbonfiber frame for a while..but they gave me credit towards another frame....I picked up a norco team issue frame and that was the best handling frame i ever have..
p.s. i did one race with the IBOC PRO-SX....
Overall Rating:1

Submitted by Steve Digilio a weekend warrior from New York
Date Reviewed: June 14, 1998
Bottom Line:

yeah i like this bike a lot because before this bike i had a Diamond Back Outlook and any time i rode it the bike would always find a way to break but with this bike you can ride it any way you like to ride. this model is a real trooper because it always handles what u ride over it rarley brakes when you take care of it the right way. thank you to mongoose for the awesome bikes they have come out with over the years. Oh cant forget the handling and control you have over the bike when riding.
Overall Rating:4

Submitted by Travis R. Goodwin a cross-country rider from San Diego, Ca.
Date Reviewed: June 7, 1998
Bottom Line:

I haven't had my frame built up more than a few weeks but man this bike kicks ass. I work at a bike shop and have ridden everthing out there, lemme tell ya that this is how a bike should climb, descend, and feel over the chatter bumbs and ruts that I come across in So. Cal. I know a few old reps and with the addition of a cris king headset there were no more problems to be fixed,
This class piece of work deserves five fat flamin' chilies.
Overall Rating:5

Submitted by Tristan a cross-country rider from Australia
Date Reviewed: June 1, 1998
Bottom Line:

This bike is pure shit. The top tube is way too long and is skinnier than my jimmy.I have to have brake boosters because of the flex in the pinnie seat stays.It is still a great bike and because of the flex it feels like my M1SL. I give it 5 chillies
Overall Rating:5

Submitted by Michal a cross-country rider from Prague, Czech Republic
Date Reviewed: May 29, 1998
Bottom Line:

I have bought my IBOC Pro three years ago. Even though I was told those frames break in joints I am fully content with it - my frame is perfect after at least 6000 kms ridden in severe conditions. Handling, climbing - no problem. After one year of riding I upgraded it with Rock Shox Mag fork which significantly contributed to my cycling enjoyment. The only part which is a piece of shit was the original headset - ofter loosening so that I threw it away and changed it for better type. This was, however, the only weak point of my bike. Therefore, I would award it 4 stars
Overall Rating:4

Submitted by Anthony G. a racer from NEW JERSEY
Date Reviewed: April 22, 1998
Bottom Line:

These bikes are very very good. the people who say these bikes suck odto put training wheels back on there bikes because thay dont know what a good bike is. and mongoose is a good BIKE!!!!!! i've done so many things with my bike i didnt know i could do! I jumped a ramp set on fire i also feel in a lake and the bike didnt rust thats how good these bikes are!!
Overall Rating:5

Submitted by mike a cross-country rider from csnada
Date Reviewed: January 13, 1998
Bottom Line:

This bike is great but i had some problems one of which is my headset keeps coming loose this really pisses me off. The other thing is not that bad i don't think that it is a problem really but when i squeeze my break my rear fork bends. other than that i love this bike!!!!!!!!!!
Overall Rating:5

Submitted by Jong-won Choi a cross-country rider from Seoul, Korea
Date Reviewed: April 27, 1997
Bottom Line:

I just bought a Mongoose IBOC PRO SX - '96 Model. It's spec is great and because
I bought it from a store while closeout sale, it's worth.The bike is a very good one - good frame and good components. But I found some problems after 2days of riding. First its headset. The headset is losen(it's aheadset), and there was a heavy grease on the chain initially. After few hours riding, I had to totally disassemble the cassette, chain, and cranks, then degrease parts from heavy & dirty grease. Then reassemble them and lube with white lightning - to me it works. Before this there was shifting problems, no more shifting problems after the white lightning. But headset problem is consistent. I'm going to change it with another one - King set from my old bike. Also, there is a strange sound near BB - I'll check it soon. The rear brake is Shimano's V, and need brake booster, IMHO - because when I do rear brake the frame moves and brake lever is almost push my fingers. One more thing. Tubes. Almost all parts of the bike is very good ones except tubes - very cheap tubes(it's shape is not a donut shape!!)Shortly, one should do following works after buying this bike:
1. remove all grease from the drivetrain and use good lube
2. replace tubes with good ones(I use $3 tubes, better than default tubes)
3. check the headset
4. add brake booster for rear brakeExcept above things, I'm very satisfied with this bike. Fast climb, good balance, and very controlable.4.5 Stars!
Overall Rating:4






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