Trek 2.3 Compact

2011
 
5.0 stars
 (24 Reviews)
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Description

Trek's 2.3 Compact is a close replica to Pro Tour-level bikes with a ride quality that disguises its affordability. This beautiful road rocket boasts Trek's efficient, light Alpha Black Series aluminum frame and a vibration-damping, corner-carving carbon Bontrager Race fork. It's equipped with Bontrager's Race wheelset for free speed on all of your rides, while the Shimano 105 20-speed compact drivetrain delivers shifting perfection and all the right gears. Bontrager also supplies a full suite of stellar components like their Race handlebars, Race Lite stem, comfy Affinity saddle and carbon seatpost.

Features & Info

View the geometry chart.

The geometry chart for Trek's 2.3.

This manufacturer's chart helps you check the fit (may show unavailable, and/or not all sizes).

 

 

Choose your preferred pedals (sold separately) from our wide selection.

Consumer Reviews

 
5.0 stars

(24 reviews)

100% of respondents would recommend this to a friend.

Pros

  • Good geometry  (20)
  • Handles well  (20)
  • Lightweight  (20)
  • Comfortable  (18)
  • Fast  (17)
  • Responsive  (15)

Cons

  • Uncomfortable Seat  (9)
  • Brakes Could Be Better  (3)
  • Poor Components  (3)
  • Heavy 
  • Too Rigid 
  • Uncomfortable Seat 

Best Uses

  • Exercising  (17)
  • Serious training  (17)
  • Casual riding  (15)
  • Racing  (14)
  • Climbing  (10)
  • Commuting  (5)

 
5.0
Jul 25, 2011

First Road Bike

Pros:
Good Geometry, Comfortable, Responsive, Lightweight, Handles Well, Fast and Smooth, Fast
Cons:
Best Uses:
Serious Training, Casual Riding, Exercising
I try to ride 3 times a week (14-20 miles per ride). For the past 4 months I've been riding a 2002 Trek Alpha 4300 (non disc) with street rubber. After putting 240 miles on that bike in 3 weeks I realized it was probably time to get a little more serious about getting a road bike. Went to the Trek store and test rode 6 different bikes. Trek 1.1, 1.5, 2.1, 2.3, GF Trek Ion and Ion Pro (biased for Trek I know but after riding the 4300 for 9 years without any issues whatsoever I was sold on the quality considering that bike isn't anywhere near the top of the line). Although the carbon fiber frames were nice, the alpha black with carbon seat post and forks just seemed more comfortable to me and despite a lot of the negative reviews on the web about the seat, I found it to be very comfortable (on par with my mountain bike seat w/ get cover). I had done a lot of research on the web researching components, talking to serious riders, and reading a lot about all the different options. Out of all the bikes I test rode this was the only one that made me say, "Holy $#!&, this bike is fast" to myself as I was riding it and it was the only one that had me smiling when I carried it back into the store after the test ride. It was by far the best shifting and most comfortable riding position for me. I'm 100% sold on this bike and would highly recommend it to anyone looking for an exceptionally solid road bike. I couldn't be happier and look forward to all of the miles I'm going to put on it.
by FrumpX12 from Columbus, OH

 
5.0
Jul 14, 2011

This Bike Rocks!

Pros:
Fast, Good Geometry, Lightweight, Responsive, Handles Well, Comfortable
Cons:
Best Uses:
Casual Riding, Serious Training, Racing
This bike will take you from beginner to PRO if you wanted it to, it is an amazing bargain considering it comes with the TREK Alpha-Black Frame and Carbon Forks, Bontrager Wheelset, and the 105 Components.This bike is Fast, Comfortable, and a pleasure to ride.Is this the bike to Have YES!Is Planet Bike the place to buy it..[...]
by StrikerMP from South Brunswick, NJ

 
5.0
Apr 21, 2011

My road bike

Pros:
Good Geometry
Cons:
Best Uses:
Exercising
This is the first road bike that I have ever rode or purchased.Extremely happy with purchase,can't keep me off it.I put over 3000 miles the first couple months.I actually rode a 125 mile ride on it withen a couple months of purchase and had a blast.When I first started riding it I to thought the seat was uncomfortable but you will get used to it.I can usually stay in the saddle to up to 4 hours befor I start getting sore.The key is to take short rests I find.My best friend bought the exact same bike wich I was not to happy about at first but how could I blame him,this bike rocks.
by Serpent Jesus from Las Vegas, Nevada

 
5.0
Dec 08, 2010

Light, solid & smooth!!!

Pros:
Fast, Good Geometry, Handles Well, Responsive, Lightweight
Cons:
Best Uses:
Serious Training, Racing, Exercising
I had been in the market for a bike for the last two years. I had tested bikes across the board. I do not like spending money on something I would be disappointed with, and I'm not. It is an excellent, light & enjoyable ride. Some of the complaints I've read was the seat. All I can say is that if you're use to the [...] special then this bike isn't for you. Eight years ago I was saying the same thing. The seat is better than other seats in this class from what I've experienced. I have nothing negative to report.
by Nautic from Spring Hill, Florida

 
5.0
Sep 12, 2010

TREK 2.3

Pros:
Good Geometry, Handles Well, Fast, Responsive, Comfortable
Cons:
Uncomfortable Seat
Best Uses:
Casual Riding, Exercising, Climbing, Serious Training
I got this bike 3 week's ago, It's my first road bike so Im realy happy with it. Before I bought the bike I did alot of shopping around & for the prive point that the 2.3 is set up for, I think it was the best buy for me. the full shimano 105 set up is great, So are the rims.. Its a realy smooth bike aswell.. The only thing I changed was the seat to a selle smp. The seat it comes with is very low end & after awhile it realy starts to put a hurting on you.. If you dont have that much $ to spend on a bike, this is a great bike for the price..
by JC from Miami FL

 
5.0
Aug 30, 2010

Amazing!!

Pros:
Good Geometry, Fast, Responsive, Lightweight, Comfortable, Durable, Handles Well
Cons:
Best Uses:
Climbing, Racing, Serious Training, Exercising, Casual Riding
Simply put this is an amazing bike that is priced very well. This bike handles like a dream, and takes a beating too. You can rely on the bike to be dependable and durable and it will dish whatever you give it. I only upgraded the seat because of my long weekend and training rides here in Miami, but overall stock, this bike performs!! And the best part is it looks amazing, very nice looking bike.
by Eddy P. from Miami, Florida

 
4.0
Aug 22, 2010

Love the Bike

Pros:
Good Geometry, Lightweight, Comfortable, Handles Well, Fast
Cons:
Uncomfortable Seat
Best Uses:
Racing, Exercising
I have had this bike for almost a year now. It is my first road bike. I bought the bike because I wanted to start off with the 105 component group and a nice bike still in my price range. I have enjoyed every minute of riding on this bike and I ride almost everyday because of it. I have no complaints about the bike to date. I did change the saddle when I first purchased the bike so I could be a little more comfortable putting long hours in. I have been impressed with the continual smooth shifting with the 105 components and how well the bike has held up on these Charleston roads.
by j.tous.cit12 from Charleston, SC

 
5.0
Jun 27, 2010

Little white rocket!

Pros:
Handles Well, Lightweight, Responsive, Fast, Comfortable
Cons:
Best Uses:
Exercising, Serious Training
Amazed by the similar geometry (and shape) to the 4 series Madone, I purchased this bike right off the dealer shelves and never regretted it one bit! It's an excellent bike! Although I was having trouble handling her during the maiden ride, the bike eventually hugged and fitted me like a customized glove. As an upgrade from my 4 month-old 2010 Trek 1.2 - not only that she's fast, strong, and agile, she's also comfortable at the same time. Did i mention she's gorgeous also? Now I'm having her equipped with SRAM Rival compact, and the wonderful riding experiences are just about to begin. Great job Trek!
by Quino from Jakarta, Indonesia

 
5.0
Jun 02, 2010

GREAT bike!!!!!

Pros:
Fast, Good Geometry, Lightweight, Responsive, Handles Well
Cons:
Uncomfortable Seat
Best Uses:
Exercising, Serious Training, Racing
As a former professional cyclist in the early 90's, the bike is AMAZING!!!! I have ridden some pretty expensive bikes in the past but this bike has got it all. Bought the bike on Memorial Day and took it out the day after for a 28 mile ride after not riding for over 3 years. Handles great, very light and quick to respond to my aggresiveness. Only downfall is the GOD AWFUL seat. Could not get comfortable for the longest time on the ride. Maybe it will break in, not sure though. You would think they would add a comfortable seat for the price of the bike. Oh well!!! GREAT bike and I HIGHLY recommend the bike to anyone serious about training and riding hard. I test rode the entry Madone, not much difference at all except for the price. I am totally fine with my lightweight aluminum frame and great components on this bike. YOU NEED TO GET ONE ASAP!!!!!!!!!!!!!
by Foster from Largo, Florida

 
5.0
May 29, 2010

A lot of bike for the $

Pros:
Good Geometry, Handles Well, Lightweight, Responsive, Fast, Comfortable
Cons:
Best Uses:
Serious Training, Climbing, Exercising
Bought the 2.3 at my LBS after looking at other aluminum frame models as well as the carbon Madone. I've been hooked on the Canondale for years & I have to say, this Trek does them one better for the $ with the carbon fork, 105 components & bontrager race wheels. LBS did an in-depth fit check as part of the deal & changed out the head tube - now I simply fall into good riding position instead of always thinking about it. I changed out the seat with one I was already comfortable with, put on my Keo pedals & like Jackie Gleason - away I went. I can't tell you how great it felt with the compact crank to be able to hang in with the group on the Saturday hill climb - I wasn't out front but at least I was in the same zip code for a change.
by pyrthkr from Phoenix, AZ

 
5.0
Mar 03, 2010

Great Starter Road Bike

Pros:
Comfortable, Lightweight, Handles Well, Good Geometry, Fast, Responsive
Cons:
Best Uses:
Exercising, Racing
I had been an avid mountain biker in the past, but seeing as how Florida really lacked the mountains that I had traversed in Colorado I decided to make the move to road biking. I went shopping around and found if you really want to get serious about cycling, the minimum at which you should be looking is the 105 components. This led me to bikes that were priced a bit more than I wanted to spend. After test riding a few, however, I found the shifting was far smoother than the lesser models and figured the upfront cost was worth the hassle of upgrading later. So then it came down to which bike felt the most comfortable. After trying out a number of other brands and Trek - I really felt the Trek frame was best for me. I initially rode a 2.1, but didn't care much for the color scheme (sounds shallow I know, but if I'm going to spend this amount of money - I want a bike I think looks good). I therefore went with the 2.3 (Ohio State colors...) and couldn't be more happy. The ride is very fast compared to that of a mountain bike, and the handling is quite smooth. At first the saddle was uncomfortable, but after three weeks of riding, I didn't even notice it. I recently went on my first group ride and after the 25 miles, I was ready for more. I can not say enough about this bike - it rides well, the components work smoothly, and it looks great. I admit I am addicted. Again, as I live in Florida, I haven't tried it out on any hills, but for a nice long road ride it's a great bike. And I would take this over more expensive carbon bike with lesser components. The only problem I have is that the weather has been really poor lately, so I can't ride as much as I would like.
by OSULaderer from Bonita Springs, FL

 
5.0
Feb 07, 2010

Pleasant surprise

Pros:
Good Geometry, Comfortable, Handles Well, Fast, Responsive, Lightweight
Cons:
Uncomfortable Seat, Brakes Could Be Better
Best Uses:
Serious Training, Racing, Casual Riding, Commuting, Climbing, Exercising
The first thing I did was upgrade to Ultegra brakes which I recommend and to a Fizik saddle which was also recommend. Tires and better handlebar tape came next. I have had three back surgeries and bought the 2.3 to get back in shape and was very pleased in the performance for the dollar amount. Now that I have built up my strength again I'm going for the Modone 6.9 I deserve it.
by djmjay from Los Angeles

 
4.0
Oct 30, 2009

Wow! Great Bike

Pros:
Lightweight, Handles Well, Fast, Responsive, Good Geometry
Cons:
Uncomfortable Seat
Best Uses:
Serious Training, Casual Riding, Exercising, Racing, Climbing
I've been cycling since February and rode approximately 1,700 miles so far. I started out doing mostly mountain biking, but I'm now splitting my time between road and mountain biking. I bought this bike in late August and have ridden it for close to 700 miles. It is an amazing entry level road bike. It accelerates extremely well, handles great, and I really like how it looks ;) The components have been very reliable, and havne't had any issues with them. The only issue I've had is the saddle... It's very hard, and can get uncomfortable on long rides. If you are looking for an aluminum frame with good entry level components the 2.3 is a great option.
by RS from McLean, Va

 
5.0
Aug 27, 2009

Awesome Bike and Awesome Ride!!!

Pros:
Handles Well, Lightweight, Fast, Good Geometry, Responsive, Comfortable
Cons:
Uncomfortable Seat
Best Uses:
Exercising, Casual Riding, Serious Training, Climbing, Racing
This is my first road bike and I couldn't be happier. The bike is extremely lightweight. I weighed it the first day I got it and it came in at 20.1 pounds without any modifications/additions. The bike is very responsive to handling and has that "get-up-and-go" power in it. I spend about 2-3 hours on this bike everyday and it has not given me any problems yet. I do recommend cleaning the bike often to not only keep its great appearance, but to have the components in good working order. Also, if you're like me who is an avid cyclist I would get the 2.3 compact version since it's lighter in weight and you really won't need the bottom gear. Oh, and one more thing, hills are absolutely no problem on this bike. Lead me in the direction to Mt. Everest and I'll climb it with this bike!! The only con of the bike is the saddle! If you want to save everything down there from hours of pain, I would advise you to put on a new seat!!
by Chris from Two Rivers, WI

 
4.0
Jul 24, 2009

great bike for the price

Pros:
Fast, Comfortable, Lightweight, Handles Well
Cons:
Uncomfortable Seat
Best Uses:
Racing, Casual Riding, Serious Training
really enjoyed this bike, has a great drivetrain, smooth components.
by ATCdoc from Burke, VA

 
4.0
Jul 04, 2009

It's now a good bike!

Pros:
Comfortable, Fast, Affordable, Handles Well
Cons:
Uncomfortable Seat, Brakes Could Be Better, Poor Components
Best Uses:
Climbing, Serious Training, Exercising
I was looking for a second bike to travel with and ride on the trainer and bad weather. This was the bike I chose. It was affordable but not cheap. The seat had to go, along with the white bar tape and handle bar. With a few upgrades including the tires, I am now proud of my bike. My only problem is I keep comparing it to my Madone! Not good.
by Kurt from Clayton, Nc

 
4.0
Jun 07, 2009

Great bike, but not for Triathlons!

Pros:
Handles Well, Lightweight, Responsive
Cons:
Poor Components
Best Uses:
Casual Riding, Exercising, Commuting
Nice bike and rides well. I purchased bike to compete in Triathlons and it does not cut it for that. Perfect bike for just riding on the weekens and haveing fun. NOT FOR TRIATHLONS.
by CCL from Estero, FL

 
5.0
May 10, 2009

SWEET RIDE!!

Pros:
Responsive, Comfortable, Good Geometry, Fast
Cons:
Heavy, Uncomfortable Seat, Too Rigid, Poor Components, Brakes Could Be Better
Best Uses:
Commuting, Casual Riding, Racing, Climbing, Serious Training, Exercising
You wont go wrong buying this bike. I am 6'7 and I bought the 64cm. This bike is a beast. Biked almost 30 miles the first time and I felt great. Awesome frame, components and great wheels for the price.
by Sparkplug from Madison WI

 
5.0
Apr 28, 2009

First Road Bike

Pros:
Good Geometry, Lightweight, Comfortable, Handles Well
Cons:
Best Uses:
Exercising, Casual Riding
After years of searching and riding on Trek Singeltrack 830 I finaly found the bike for me. What a joy. Great Bike Great components.
by AW from Yorktown Heights NY

 
5.0
Dec 05, 2008

Awesome Bike

Pros:
Lightweight, Comfortable, Responsive, Good Geometry, Great Components
Cons:
Best Uses:
Casual Riding, Climbing, Serious Training
This bike gets up and goes, very responsive. My first ride was 16 miles and didn't even feel like I was on the bike afterwards. The geometry, comfortablity and responsiveness sold me, no regrets. Great Bike!
by Kevin from North Olmsted, OH

Specifications

Frame
Trek Alpha Black Series aluminum
Fork
Bontrager Race, carbon
Rims/Wheels
Bontrager Race
Hubs
See Rims/Wheels
Spokes
See Rims/Wheels
Tires
Bontrager R2, 700 x 23c
Crankset
Shimano 105
Chainrings
50/34
Front Derailleur
Shimano 105
Rear Derailleur
Shimano 105
Rear Cogs
Shimano 105, 10-speed: 11-28
Shifters
Shimano 105 STI
Handlebars
Bontrager Race VR-C
Tape/Grips
Bontrager Gel
Stem
Bontrager Race Lite
Brake Levers
Shimano 105
Brakes
Shimano 105
Saddle
Bontrager Affinity 2
Seatpost
Bontrager carbon