Trek 4100 2003 Hardtail

4.15/5 (33 Reviews)
MSRP : $299.99


Product Description



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Reviews 1 - 15 (33 Reviews Total) | Next 15

User Reviews

Overall Rating:5
Value Rating:5
Submitted by jimmi dean

Date Reviewed: May 14, 2013

Strengths:    This bike is a tank, incredibly durable.

Weaknesses:    Heavy, and 10 years later it's a little old and outdated.

Bottom Line:   
I've owned this bike for about 10 years. Brought it home new from the store. I've replaced the obvious parts like break pads and cables. I've replaced the seat and the pedals and recently the pedal arm. This bike has held up through everything from dragging it through the woods to Porcupine Rim trail and Moab last year. I ride it on a regular basis and I don't take it easy. The fork has been missing an end cap for 4 years and it still rides great. Sure you could have a better, lighter bike with much better suspension, but ten years of heavy use for this price can not be beat.

Overall Rating:4
Value Rating:4
Submitted by Neal

Date Reviewed: July 5, 2012

Strengths:    Strong frame

Weaknesses:    front suspension is bouncy

Bottom Line:   
Owned since 2008 its been a great bike for getting around town. I don't have to worry about locking it up in the city. I like it a lot and I plan to keep it for years to come.

Overall Rating:5
Value Rating:5
Submitted by Scott L a Racer from Harrisburg, PA

Date Reviewed: May 7, 2008

Strengths:    Good frame worthy of upgrades. The stock components were not terrible for XC either. I just killed the original deraileur in a race with several hard rock strikes. Honestly, I bent it back with pliers and it still worked pretty good! But it wasn't perfect and gave me an excuse to replace it with XT. The original wheels never gave me a problem, but I didn't do big drops either.

Weaknesses:    Most components. The original pedals were garbage. The stem and handlebars were practically wrought iron. The front fork bounced like a pogo stick up every climb.

Bottom Line:   
This is a follow-up to my review from years ago.

Over the 5 years that I have had this bike I upgraded when I found the right parts on sale, and now I have a machine that I am very happy with. The only original components that I need to replace are the cranks and front deraileur, which still work like new. When they die, I will replace with lighter stuff and have a super light, super durable machine, that cost very little. And if I decide to go FS, I'll just swap my parts to the new frame, and I'm good! Thanks Trek for making a durable, affordable bike.

Expand full review >>

Favorite Trail:   All of them

Duration Product Used:   More than 3 years

Price Paid:    $290.00

Purchased At:   Holmes Cycles

Similar Products Used:   Junky bikes growing up.

Bike Setup:   Forks - 2005 Duke XC, 100mm
Handlebars - Easton EA50 Flat, 25.4mm
Stem - RaceFace Deus
Front wheel - Mavic Crossmax Enduro UST Tubeless
Front Tire - IRC Serac XC UST Tubeless
Rear Wheel - Custom Shimano XT M770 hub/Mavic XM819 UST Tubeless, wheelsmith double butted spokes
Rear Tire - IRC Mythos XC UST Tubeless
Seatpost - Sette APX Carbon
Saddle - Nashbar Race
Rear Deraileur- Shimano Deore XT
Brakes - Avid Single Digit 7
Pedals - Time ATAC Alium

Overall Rating:3
Value Rating:4
Submitted by Zach a Weekend Warrior from Loveland, CO, USA

Date Reviewed: August 1, 2007

Strengths:    strong dependable fram that can take a beating, decent wieght for a $350 bike

Weaknesses:    stock fork, stock rear deraler, pedals, stock tires

Bottom Line:   
good bike for the price and any one that wants a cheap bike that can take a beating.

Expand full review >>

Duration Product Used:   More than 3 years

Price Paid:    $350.00

Purchased At:   Peloton Cycles

Bike Setup:   XTR rear derailer, RockShock Judy TT front forck, eggbeater pedals, Continental Gravity tires, Sram Chain

Overall Rating:4
Value Rating:4
Submitted by Andrew Daw a Weekend Warrior from Klamath Falls, OR U.S.A.

Date Reviewed: July 6, 2007

Strengths:    frame, shifting, dependable

Weaknesses:    heavyish?

Bottom Line:   
Dependable bike. For under 300 dollars, it's a pretty good bike for a beginner rider that wants something that won't break down.

Expand full review >>

Favorite Trail:   red rock

Duration Product Used:   More than 3 years

Price Paid:    $280.00

Purchased At:   Yankee Pedlar

Similar Products Used:   none

Bike Setup:   stock: frame, nsync shox, bontrager connection trail tires, shimmano 7 speed combined break shifters, mega range 14-34t granny, acer rear shifter, sis front shifter.

Overall Rating:3
Value Rating:3
Submitted by Sean a Downhiller from Santa barbara, California, USA

Date Reviewed: June 26, 2006

Strengths:    Frame takes a good beating, nice welds, strong, and pretty durable. I like the amount of travel it has, back then the bikes had hardley any trave and it boosted up the frame for me.

Weaknesses:    Well when I said durable its durable if your body keeps up, doesnt compair to full suspension, but is good if you dont want to kill your funds. I dont really know if it is worth the price, I mean it is pretty cheap and probably beats some of the cheaper full suspension bikes. The shocks are a little soft to my liking because whenever I go on a trail they are bottomed out the whole way down. The deraler is a POS and ive replaced it MANY times.

Bottom Line:   
This bike was good at the time but now would be outdated to buy. Trek is somewhat of a rip off because they will do a lot just to save a couple of bucks bikes wise. I would say average.

Expand full review >>

Favorite Trail:   local

Duration Product Used:   2 Years

Price Paid:    $340.00

Purchased At:   Bob's

Similar Products Used:   schwinn mesa- POS
bmx bikes


Bike Setup:   all factory exept new derailer and handlebar grips

Overall Rating:5
Value Rating:5
Submitted by Josh Hill a Weekend Warrior from Cincinnati

Date Reviewed: November 9, 2004

Strengths:    Light frame, cool colors, comfortable seat, it's a trek, Good tires, megarange 1st gear, shifts smoothly, and it's a good price.

Weaknesses:    Pedals slip like a heroin adict in the wintertime.The fork bottoms out a lot.

Bottom Line:   
Awesomely durable bike that (with a few upgrades) will do almost anything you can.

Expand full review >>

Favorite Trail:   Planet Earth

Duration Product Used:   1 Year

Price Paid:    $440.00

Purchased At:   Montgomery Cyclery

Similar Products Used:   Raligh, Gary Fisher

Bike Setup:   Stock will replace front fork with better one, and new pedals, and discs.

Overall Rating:4
Value Rating:5
Submitted by Lars Nilsson a Weekend Warrior from Charlottetown, P.E.I., Canada

Date Reviewed: October 12, 2004

Strengths:    GREAT BIKE. VERY DURABLE. HANDLES A LOT OF ABUSE. FORK IS GREAT. COMPONENTS DURABLE AS WELL AS I CAN TELL.

Weaknesses:    HAD TO REPLACE ONE OF THE CRANKS AND THE SHIFTING ISN'T ALWAYS THE SMOTHEST.

Bottom Line:   
GREAT BEGINNER BIKE. RECOMMEND IT TO ANYONE LOOKING FOR A GOOD, DURABLE THAT WILL TAKE JUST ABOUT WHATEVER YOU HAVE TO GIVE IT.

Expand full review >>

Favorite Trail:   brookvale

Duration Product Used:   2 Years

Price Paid:    $500.00

Purchased At:   Smooth Cycle


Overall Rating:5
Value Rating:4
Submitted by Robert a Weekend Warrior from San José, Costa Rica

Date Reviewed: April 12, 2004

Strengths:    Good manufacturer back up. Good geometry, great warranty. Alum frame similar to more expensive bikes. Good quality components.

Weaknesses:    Original plastic pedals suck. They broke in less than a month. Replaced at no charge by LBS for similar alloy pedals.

Bottom Line:   
Great beginners bike that can handle some serious off roading. After a couple of adjustments when new, no other adjustments have been needed (except for a wheel true and round adjustment at 1500 kms. which was expected). Have not feeled the need for upgrading anything yet, not even original bontragger connection tires that seem to do fine on regular paved roads.

Expand full review >>

Favorite Trail:   everywhere

Duration Product Used:   1 Year

Price Paid:    $320.00

Purchased At:   motos pazos s.a.

Similar Products Used:   none

Bike Setup:   Everything original except for pedals. Plus seatbag, computer and light.

Overall Rating:4
Value Rating:3
Submitted by Jim D a Weekend Warrior from Canada

Date Reviewed: January 22, 2004

Strengths:    Good frame, strong,

Weaknesses:    Handle bars very weak, cranks are very weak, sprocket very weak along with the chain and axles.

Bottom Line:   
It's an okay bike for beginers but i'd prefer norco anyday but a prety good bike, kinda weak parts but nothing a few bucks can't fix.

Expand full review >>

Favorite Trail:   Hartland Landfill

Duration Product Used:   1 Year

Price Paid:    $300.00

Purchased At:   Caps Bikes(New Westminster)


Overall Rating:4
Value Rating:4
Submitted by Normix a Weekend Warrior from Latvia

Date Reviewed: November 7, 2003

Strengths:    Good brand. Good alloy frame – geometry same as at exclusive, expensive bikes. Lifetime warranty. I liked Conection tires for stable feeling and small circulation resistance. Unfortunately those burst after year riding. Trek seat is comfortable

Weaknesses:    Freewheel not durable. Chain extend during few months. Handlebar is made from steel. Actually 21 speed shifting is slow.

Bottom Line:   
After buying this 2001 year model, I have become keen with occasional fast cross country ride and amateur MTB competitions. I realize that original bike setup is improper for this. Because I upgrade bike so many how much budget allow.
Buy it , if you do slow wandering in park, do small trips or ride together with girlfriend.
Don’t buy it, if you want sometimes ride fast cross country or take part in any competition

Expand full review >>

Favorite Trail:   National park of Gauja

Duration Product Used:   2 Years

Price Paid:    $390.00

Purchased At:   Veloserviss

Similar Products Used:   Trek 810

Bike Setup:   Alivio shifters,
Sram 5 brake lever,
Deore r/hub
Alivio casete sprocets,
Chain IG 51,
Alivio/Deore- r/f derailleur,
Suntour MD 310 crank 44/32/22, already wear out,
Stem ZOOM 90 mm,
Handlebar 3T flat
Shurman double wall rear rim

Overall Rating:4
Value Rating:5
Submitted by Scott a Cross Country Rider from Camp Hill, PA, USA

Date Reviewed: November 3, 2003

Strengths:    Great price, good quality, warranty, great colors.

Weaknesses:    As many have said, the pedals do suck. Mine got extremely slippery just riding through some dewy grass. Will eventually need to upgrade forks, handlebars, etc. With the great price, you can upgrade when/if you feel the need.

Bottom Line:   
This is a great bike for the money. It is mostly reat as-is(except the PEDALS). Many don't like the shocks, but as I had only ridden rigid forks previously, the stock shocks seem fine for now. Down the road, I will likely change out some parts to save some weight. Nice bike!

Expand full review >>

Favorite Trail:   Any and All

Duration Product Used:   Less than 1 month

Price Paid:    $270.00

Purchased At:   Holmes Cycling

Similar Products Used:   Old P.O.S. Sears-type mountain bike. Pretty nice Panasonic road bike.

Bike Setup:   Time ATAC Alum pedals, Performance Viewpoint Pro lights (for night riding). All the rest is stock until it breaks!

Overall Rating:5
Value Rating:5
Submitted by Heidi Legacy a Weekend Warrior from Fredericton, NB Canada

Date Reviewed: September 20, 2003

Strengths:    good geometry ,lightweight stiff frame.

Weaknesses:    crappy pedals and front shocks

Bottom Line:   
This is my first bike, it's a great beginner bike. Although the shocks lacked any adjustment and the pedals kinda suck, replace those two components and you have got yourself a great bike for a good price. Without the appropriate upgrades it's not really an adequate dirt jumper. Overall it's an excellent bike, sturdy frame and shimano components. I LOVE MY BIKE!!!!!!!!!

Expand full review >>

Duration Product Used:   1 Year

Price Paid:    $280.00

Purchased At:   Radical Edge

Similar Products Used:   no

Bike Setup:   Judy c front suspension and alloy pedals

Overall Rating:5
Value Rating:5
Submitted by Anthony Competiello a Cross Country Rider from Brooklyn,NY

Date Reviewed: September 8, 2003

Strengths:    Light frame, Suspension fork is decent, tires are very good as well, Comfortable seat, Quality Shimano components

Weaknesses:    Cheap pedals, rims not disc compatible, fork needs a lot of lubrication

Bottom Line:   
If you are looking for a great bike to start out on, this is it. All you need is a better suspension fork and disc brakes and your good. I plan to do more upgrades and i know this will be one excellent bike.

Expand full review >>

Favorite Trail:   Anywhere

Duration Product Used:   3 months

Price Paid:    $300.00

Purchased At:   Verrazano Bike

Similar Products Used:   Trek 820

Bike Setup:   Stock

Overall Rating:5
Value Rating:5
Submitted by Phil a Weekend Warrior from Jerusalem, Israel

Date Reviewed: August 27, 2003

Strengths:    Frame is thee same one as they use across the range, decent components

Weaknesses:    Pedals are rubbish, grips not great

Bottom Line:   
I moved from road racing, and having tried far more expensive cycles, I stuck with this - it is a great bike

Expand full review >>

Duration Product Used:   6 months

Price Paid:    $300.00

Purchased At:   MikeBike

Similar Products Used:   only far more expensive OR cheap garbage

Bike Setup:   Cateye, Zefal cage, Shimano m535 pedals, lizard skin

Reviews 1 - 15 (33 Reviews Total) | Next 15

Review Options:  Sorted by Latest Review | Sort by Best Rating


Newb needs advice: '03 Trek 4100 via c-list or a brand new Trek 3500 from LBS?

Hi gurus! I need your advice... should I consider an '03 Trek 4100, owner said its almost like new but never tuned up at $235? Or, should I just save me the trouble of guessing if the bike is mint condition and get a brand new '12 Trek 3500 at the LBS at a good deal of $399 plus benefits from the ... Read More »

04 Trek 4100 to single speed process?

So i have a used Trek 4100 sitting around that i am having a hard time selling. i have a geared bike already so i figured, why not make the trek into a ss and try out the ss thing. plus itd give me a project that i think i could do on a budget. i dont need anything fancy, just want to get it to ... Read More »

trek 4100 upgrades

hi yall, new to mtn biking and LOVING it! i bought a used '04 trek 4100... very entry level and after searching here, i see that it isnt really worth upgrading. but i wanted your opinion on upgrading the front shock to maybe a used rs dart 2 if i can find one cheap. would it be worth it? the 4 ... Read More »

Trek 4100 information

I am going to look at a used Trek 4100 and the attached is the spec that they gave me on the bike. I do not know a lot about mountain bikes and will be using this for paved paths and city running around-- probably never off road. I was a bit concerned about the front fork and the gearing being le ... Read More »

I'm sure this 4100 lumens flashlight is old news to some of you...

but for the rest of you. [url]http://www.wickedlasers.com/lasers/Wicked_Lights-74-0.html[/url] Oh and btw, any of us could build something similar... its just a 100W-12V car headlight bulb in a smaller package. Those suckers put out a LOT of heat at close range which is why car headlights tend ... Read More »

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