Trek Boone 5 Disc

4.5 stars
 (5 Reviews)
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Trek Black/Trek White / 56cm
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With geometry designed by the legendary Katie Compton, and Trek’s innovative IsoSpeed technology, the Boone 5 Disc is a pure cyclocross thoroughbred. OCLV carbon creates a stiff, light platform so you can nab the hole shot, effortlessly shoulder the frame on run-ups, and instantly accelerate for the sprint to the line. The Boone’s IsoSpeed decoupler takes the edge off rough terrain, while ensuring phenomenal power transfer. The E2 carbon fork tracks beautifully for off-camber confidence and Bontrager Race wheels are strong and fast on the straights and in the corners. Shimano’s workhorse 105 drivetrain and an FSA crank give you smooth, reliable shifting for seasons to come. Shimano hydraulic discs provide exceptional modulation, a carbon seatmast cap shaves weight, and a bevy of Bontrager components give you peace of mind when you’re rubbing elbows with the front of the pack.

Features & Info

Geometry chart

E2 Head Tube

Trek's E2 head tube is 1 1/2 inches in diameter at the bottom and 1 1/8 inches at the top. This maximizes front-end stiffness for awesome steering precision and control, while allowing the use of standard 1 1/8-inch stems and not adding much weight.

IsoSpeed Fork

Trek's IsoSpeed fork is ingeniously engineered with reversed dropouts, increased fork rake (offset) and a constant, gentle curve beginning at the crown and sweeping all the way to the axle. These brilliant innovations allow the fork to absorb shocks rather than transmitting them to the rider for optimum comfort and energy savings, and they also increase the fork's lateral stiffness for more control.

IsoSpeed Decoupler

Trek IsoSpeed Decoupler

90mm-wide Bottom Bracket

Trek's BB90.
Trek's Boone features a 90mm-wide bottom bracket. This extra width allows Trek to build frames with larger-diameter tubes for improved power transfer. The BB90 bearings are placed directly into the frame to save weight. The combined weight-savings and improved power transfer ensure additional pedaling efficiency and simplify maintenance.

Electronic drivetrain integration

Pedals sold separately

Consumer Reviews

4.5 stars

(5 reviews)

80% of respondents would recommend this to a friend.


  • Lightweight  (4)
  • Good Geometry  (3)
  • Comfortable  (2)
  • Fast  (2)
  • Handles Well  (2)
  • Durable 


  • Uncomfortable Seat  (2)
  • Brakes 
  • Seat 
  • Brakes Could Be Better 
  • Heavy 
  • Heavy wheels 

Best Uses

  • Exercising  (3)
  • Commuting  (2)
  • Comfort 
  • Competition 
  • Racing 
  • Serious Training 

Jun 21, 2016

Love It

Comfortable, Fast, Lightweight, Good Geometry, Responsive, Handles Well
Brakes Could Be Better
Best Uses:
Commuting, Exercising
Love riding this bike. Everything is super smooth. Shifts smoothly, rolls smoothly. I ride roughly 14 miles a day. On weekends I go on longer rides.
by goBikego from MN

Jan 22, 2016

Super Cross!

Handles Well, Fast, Good Geometry, Lightweight
Uncomfortable Seat
Best Uses:
Serious Training, Racing
Bought my Boone last year and love it. Super fast, comfortable (that pivot point actually works really well), and the fit felt great. Definitely the lightest cross bike bike I've owned. The saddle was the only let down, I had to swap that out for a Fizik after the first ride. My LBS was super helpful though.
by Jeff from ON

Nov 22, 2015

awesome Allrounder

Stylish, Durable, Lightweight, Quality
Brakes, Seat
Best Uses:
Commuting, Exercising, Competition, Comfort
The Boone 5 is the Best bike I have ever owned! It is lightweight, the quality is very good and it has upscale components (never can go wrong with a 105). It rides very easy, I use it for exercising, on- and offroad capabilities are awesome. The only con I found so far are the brakes, they are a bit weak and would need some upgrading. Other than that: great Allrounder and good bang for the buck in the Carbon section.
by Cbass from Chicagoland

Oct 23, 2015

Great Bike for EVERYTHING!!

Comfortable, Lightweight
Best Uses:
This is one of the most comfortable bikes I have ridden. The Isospeed really smooths out the trail and bumps in the road. The bike is equipped with 105 and although it's not as smooth as my Ultegra road bike it works and shifts well. Wheels I had set up tubeless and drops a little weight. I'm sure I could save some additional weight by upgrading the wheels but this is an entry level Carbon bike so I would expect to lighten it up with component changes.
by Spike from Chicago, IL

Oct 18, 2015

worst investment ever

Good Geometry
Uncomfortable Seat, Heavy, Weak Seat Clamp, Heavy wheels
Best Uses:
Spent a lot of money to get this bike based on the reviews . I am so disappointed with the performance of the bike .Its my first trek and it will be my last
by Racer from MA


Trek 600 Series OCLV carbon w/IsoSpeed decoupler
Trek IsoSpeed Cross, carbon w/tapered steerer
Bontrager aluminum, tubeless ready, disc-specific
Bontrager CX3 Team Issue, 700 x 32c
FSA Energy Cross
Bottom Bracket
Front Derailleur
Shimano 105
Rear Derailleur
Shimano 105
Rear Cogs
Shimano 105, 10-speed: 11-28
Shimano 105
Bontrager Race VR-C
Bontrager Elite
Brake Levers
Shimano 105
Shimano RS685 hydraulic disc, 6-inch rotors
Bontrager Paradigm
Bontrager Ride Tuned carbon seatmast cap, 20mm offset