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K2 Razorback 4.0

MSRP $ 1900.00
# of Reviews 6
Average Rating 4.83/5
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Submitted by vasilebujor67 a Racer from Craiova, Dol, Romania
Date Reviewed: February 5, 2009
Duration Product Used:3 months
Price Paid: $3500.00
Purchased At:made on parts
Strengths:Racing pedigree - cheap considering specialized epic's -
Weaknesses:Not for heavy riders - 100 kilos maximum!!!
Similar Products Used:K2 4000 - modified completly -, scott FX30 - also modified -, a cannondale bike, I can't remeber the name - expensive anyway .
Bike Setup:K2 Razorback 4.0 frame , fox float pull shock RL 2004, fork fox float R 2007 - downgraded to 100mm to work with the bike -, 2006 deore lx dual control disc brakes, derraiuers Deore XT 2006, SRAM PG-990, Doere XT 2007 Hollowtech II, wheels Original and rare DT SWISS EXTREME wheel set, Easton Vice pipe .
Bottom Line:The bike is a grait bike, it costed me woth all the parts around 3000 euros, and I obtained a performance that you could match with a bike twice the price, so at the time - end of 2007 - was a bargain. Unfortenly I can't ride it because working to get the money for the parts I become a fat ass 110 kilos - with back pack of 3 kilo - any, I must have less then 100, ideal 90 kilo for this bike , bleah.

I sell it for 2000 euros cross europe!! Anybody ? :(
Value Rating:5Overall Rating:5

Submitted by Dan Davis a Cross Country Rider from Bend, Or
Date Reviewed: August 23, 2004
Favorite Trail:all of them in bend
Duration Product Used:Less than 1 month
Purchased At:warranty from K2
Weaknesses:none so far
Bike Setup:new xt cranks, sram x.0 all over, eston carbon bars and seat post,
ritchy WSC stem, new Amricanclassic wheelset, Fox F80X
Bottom Line:First off i want to thank K2 for the warranty!!! i had an 1994 Proflex 954 that i just cracked the swing arm on. now i was not going to do any thing about it but my freinds, one who has a bike shop told me to ask. and Proflex did have a life time warranty on the frame. so i ask and K2 sent me a 03 razorback 4.0 frame.
now i put top of the line parts on this kid, and it came in at 24lbs! and thats for an XL! now if you got the new 04 with the carbon stays who knows?
now down to the ride. it is all that you have read, it's a rock'n XC rig. it's fast up and down the hills and the fox F80X fork up front and RL shox in back realy do the job. i would not have thought of the Razorback if not for the warranty, but now that i have it i think more people should put it on there short list!!
Value Rating:5Overall Rating:5

Submitted by Oriah a Cross Country Rider from Tacoma, WA, USA
Date Reviewed: November 21, 2003
Favorite Trail:Suntop Mt
Duration Product Used:1 Year
Price Paid: $1100.00
Purchased At:Performance
Strengths:Fast, fast, fast! Up-gradable, great, natural race feel.
Weaknesses:Saddle to firm for trail riding, occasional chain suck coming down off the middle gear.
Similar Products Used:GT Backwoods, Stumpjumper, Jamis Dakar Comp
Bottom Line:Superbly fast bike! (I won my age group, 25-29, in a sprint duathlon the second day after buying this bike, and I give the bike some serious credit) Good all around quality without having to take out a loan or feeling like you should have got a motorcycle for what you paid. Very light, stiff under the hammer, nimble through the technical terrain, climbs great, screams on the descents!
This bike has already taken me on dozens of epics and it only feels like it’s getting warmed up. Suspension more than ample for fast descents and 8+ foot drops. Rear lockout is nice but get the remote if you plan to race it on any hilly course. Tires have performed well in everything except dry, loose conditions. (Good thing I live in the Great North Wet, I mean, West)

Value Rating:5Overall Rating:5

Submitted by Alex O'Bannon a Racer from Palmdale, CA
Date Reviewed: August 13, 2003
Duration Product Used:Less than 1 month
Price Paid: $1300.00
Purchased At:Supergo
Strengths:Weight, shock response, disc ready hubs, decent components
Weaknesses:top tube seems rather short when getting into aero position while going all out in the flats. but the bike isnt really made for that.....get back on the up/down singletrack.
Bike Setup:Stock except for shimano 959 pedals and velociraptor tires.
Bottom Line:It's great going from a no-suspension bike to a full suspension, but this bike has been aces beyond that crossover. It holds the trail and is a wonderful climber. Te single digit 7 avid brakes are top notch. The rear shock is easily adjustable, however i find the remote lockout to be effectively useless. Up the pressure to roughly your body weight and you wont notice the slightest bod on the lfats, yet it is still noticeably responsive on the bumps. buy it.
Value Rating:4Overall Rating:5

Submitted by Andy Q a Cross Country Rider from Cos Cob, CT, USA
Date Reviewed: July 9, 2003
Favorite Trail:mianus river gorge
Duration Product Used:Less than 1 month
Price Paid: $1700.00
Purchased At:Outdoor Traders
Strengths:everything... amazing bike, just got back from my first ride, and it was incredible, the bike is so light and everything works really well together, front and rear suspension are amazing on this bike
Weaknesses:havnt found any yet - just getting used to the clipless pedals though
Similar Products Used:2000 Specialized Rockhopper FSR
Bike Setup:stock
Bottom Line:best bike i have ever owned, and will love to ride it every day, cant wait to race it = if your going to get this bike make sure your really into biking and will put the time and effort in to racing it, it is a speed demon and needs to be raced
Value Rating:5Overall Rating:5

Submitted by Rob B. a Cross Country Rider from Ogden, UT
Date Reviewed: April 16, 2003
Favorite Trail:Anywhere in MOAB
Duration Product Used:Less than 1 month
Price Paid: $956.00
Purchased At:K2 Shop Employee Discount
Strengths:Great front suspension and rear suspension. Sid Race fork is superb and very plush with lots of adjustments. Rear shock has lockout. Race Face components are all over. LIGHT, LIGHT, LIGHT!
Weaknesses:I do not like straight handelbars. Make sure to adjust Fox shox to 20-30 psi more than what is on side of frame.
Bike Setup:look at the k2 website www.k2bike.com
Bottom Line:Great bike if you can afford to shell out money for it. I'm glad I got a discount.

Buy this if you are looking for a xc bike with excellent parts. Everything on this bike is only a step or two below top of the line except the front derailer.
Value Rating:4Overall Rating:4






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