Trek Emonda S 4

5.0 stars
 (9 Reviews)
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Trek Black/California Sky Blue / 58cm
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Every detail of the Émonda line, from frame design to each component choice on every model, serves the same audacious goal: to create the lightest line of production road bikes ever offered.

The entire Émonda line is unbelievably light, with sensational ride-tuned balance and handling that elevate Trek ride performance to a whole new level.

Key Features

- 300 Series OCLV Carbon makes the ultimate light bike possible
- Perfectly balanced, ultra-responsive ride feel

Features & Info

Geometry chart

Trek Emonda S geometry chart
Pedals sold separately

Consumer Reviews

5.0 stars

(9 reviews)

100% of respondents would recommend this to a friend.


  • Lightweight  (3)
  • Light  (2)
  • Responsive  (2)
  • Light Weight 
  • Quick And Fast 
  • Smooth Ride 


  • Uncomfortable Saddle  (2)
  • Shifting cables get loose easily. 
  • Mediocre saddle 
  • Stiff break pads 

Best Uses

  • Climbing  (2)
  • speed 
  • Road Bike 
  • Road cycling 
  • Road 

Jul 18, 2017

does its job on the road

Best Uses:
I have been having the bike for 13 months. I purchased it when it first came out. I fell for it because it was light and the color. I got black with lime green writing. I ride only 40 to 50 miles a week, average speed 15 miles per hour. I use it for exercise to get heart rate up. It does that. I think the seat is good and the breaking system does its job. Overall, satisfied.
by Trek man from Lafayette, La.

Mar 05, 2017

Great Bike for the price!

Responsive, Not too stiff, Lightweight, Fun
Mediocre saddle, Shifting cables get loose easily., Stiff break pads
Best Uses:
climbing, speed
I love this bike. I have had it now for about 7 months and it has been a great time. Trek considers this to be an entry-level road bike. However, entry-level from all other brands are usually aluminum frames. This is a carbon fiber frame, making it as light of a bike as some of the more expensive road bikes out there. That said, I have had to get the shifting cables tightened a few times, which may be normal. The seat is mediocre and I upgraded that and I replace the Tiagra brake pads with Ultra and it is much better and more responsive. Even adding the slight upgrades, this bike is still worth every penny and is a great investment.
by El Davisimo from Los Angeles, CA

Nov 20, 2016

Wow, Trek Emonda S 4 -2016 Impresses

Best Uses:
I'm moderate level rider, Avg. 20 mile speed 16.8-17.3mph. The bike handles great and exceeds my expectations.
by TrekyTom from Birmingham, AL

Aug 10, 2016

45 days in

Light, Smooth Shifting
Best Uses:
Got this bike about a month and half ago. So far I have to say I love this bike. Fun to ride it really likes to go. The shifting so far is great and smooth. Would have liked disc brakes but for the cost could in no way expect them. For me this was an upgrade from a 10 year old aluminum Allez so the difference is night and day.
by Michael from AtascocitaTX

Jul 10, 2016

Fun to ride

Responsive, Light
Best Uses:
Overall I love the bike so far. Rides well and is a blast to ride. The only issue I have is I wish they would have really committed to the blue and white color scheme. The Gray frame is nice but think it would have been nice if they made the frame blue. As for the ride the bike was responsive the wheels were solid on the road and turns with out feeling like I had to work to get them going.
by Michael from Houston, TX

Jun 15, 2016

Good Bike

Lightweight, Smooth Ride
Uncomfortable Saddle
Best Uses:
Retirement present to myself. Traded up from a Fuji aluminum frame to the Trek carbon frame. I have another carbon frame and once you go carbon, you don't go back.
by Retired Guy from Columbus, OH

Jun 02, 2016

Good bike for the price

Lightweight, Quick And Fast, Nimble
Uncomfortable Saddle
Best Uses:
Road Bike
Retirement gift to myself. Good deal on my Fuji trade-in. Started out with size 58cm and it didn't feel right. No problem with returning the bike for size 60cm. Good fit, smooth and fast ride and will be better when change to a comfortable saddle. I like comfort and speed at my own pace.
by Retired Guy from Columbus, Ohio

Sep 24, 2015

I love this bike great climbing and all around good

Fast, Smooth, Light Climber
Best Uses:
I climb alot with this bike I do distance to and it is a smooth ride all round very fast I've put about 700 miles on it in 2 months and love it
by Keith from Utah

Jan 26, 2015

Great entry level carbon road machine!

Light Weight, Great handling
Best Uses:
Road cycling
This bike is awesome! I have already racked up nearly 600 miles in 2 months on this bike. It accelerates, climbs, and handles very well. The black and white color scheme looks great.
by Jim from Orlando, FL


Ultralight 300 Series OCLV Carbon, ride-tuned performance tube optimization, E2 tapered head tube, BB86.5, DuoTrap compatible
Émonda carbon, E2 tapered steerer
Integrated, cartridge bearing, sealed, 1 1/8-inch top, 1 1/2-inch bottom
Bontrager tubeless ready
Bontrager R1 Hard-Case Lite, 700 x 25c
Shimano Tiagra
Bottom Bracket
Press Fit
Shimano Tiagra
Front Derailleur
Shimano Tiagra
Rear Derailleur
Shimano Tiagra
Rear Cogs
Shimano Tiagra, 10-speed: 11-28
Shimano Tiagra
Bontrager Race VR-C, 31.8mm
Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts
Brake Levers
Shimano Tiagra
Shimano Tiagra
Bontrager Montrose Comp
Seat Post
Bontrager alloy, 2-bolt head, 27.2mm, 8mm offset