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Diamondback Haanjo Comp Complete Bike

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Item # DMB0008

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Item # DMB0008


Gravel road racing is gaining popularity. But what type of bike is best suited for gravel? Well, you'll see every concoction imaginable on the course — from road bikes to mountain bikes, and even beach cruisers. Diamondback's Haanjo Comp combines the best of road, mountain, and cyclocross designs into an economical, yet race-ready bike that'll have you cruising the course and town with equal prowess.

First and foremost, the things to think about when designing a gravel road bike are stability and endurance. After all, gravel is tricky. It zaps energy from your legs and beats up your core. Add ruts into the equation, and you'll quickly be wishing for a comfortable bike. The Haanjo features Diamondback's Enhanced Performance Geometry, which features a slightly higher head tube in order to reduce strain on your lower back while you're stretched over the hoods. This also improves the fit for riders with less flexibility and pelvic rotation. The 70-degree head tube is even more slack than most cyclocross bikes, which creates more stability and easier handling.

The frame itself was constructed from 6061-T6 butted aluminum. What's a butted frame? Well, when tubes are butted, rather than featuring a continuous wall thickness, the ends of the tubes are given varying widths. This, in turn, creates a stronger frame. And although it sounds counter-intuitive to remove metal in order to increase strength, frames usually fail at the joints, and butted construction decreases the stress concentration in the joints. And when you factor in Diamondback's Carbon Disc Road fork, you have the perfect gravel road bike. But, not wanting the Haanjo Comp to be a one-trick pony, Diamondback also added rack and fender mounts. So, the Haanjo is completely ready for either racing, commuting, or touring.

Shimano's 105 component package is at the heart of the Haanjo Comp, positioned at the front derailleur, rear derailleur, and shifters. The bike is driven by a 46/36t FSA Gossamer Pro Cross BB386 crankset, which has been combined with a Tiagra CS-4600 12-25t cassette and a Shimano 105 chain. You ride on Diamondback's new DB Equation CX wheels, which have been cased in WTB All Terrain 700c x 32mm tires. Meanwhile, stopping power is provided by TRP HYRD cable actuated disc brakes with a 160mm front rotor and a 140mm rotor at the rear. And lastly, the cockpit features a full array of Diamondback's DBR stem, handlebar, and seatpost, while you'll sit comfortably on a WTB Valcon Race saddle.

The Diamondback Haanjo Comp Complete Bike is available in the color Black and in the sizes 50cm, 53cm, 56cm, and 59cm.

Tech Specs

Frame Material:
6061-T6 aluminum
DB Carbon Road Disc fork
Fork Material:
[legs] carbon fiber, [steerer tube] aluminum
1.125 x 1.5 in FSA No.42
Shimano 105
Front Derailleur:
Shimano 105
Rear Derailleur:
Shimano 105
46/36 t FSA Gossamer Pro Cross BB386
Bottom Bracket:
test ride
12-25 t Shimano CS-4600
Shimano 105
Brake Levers:
Shimano 105
Brake Calipers:
TRP HYRD Cable Actuated Hydraulic Disc
[front] 160 mm, [rotor] 140 mm
DBR Drop bar
Bar Tape:
DBR cork with gel
WTB Valcon Race
DBR Performance Post
DB Equation CX
24H Alloy QR
14g stainless steel
WTB All Terrain
Tire Size:
700 c x 32 mm
Recommended Use:
gravel racing, cyclocross, and commuting
Manufacturer Warranty:
limited lifetime on frame

sizing chart

Bike size by rider height


Geometry chart


Geometry Chart



Seat Tube


Effective Top Tube






Stand Over

Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop




50cm 50.0cm 52.5cm 54.6cm 37.6cm 75.1cm 13.0cm 70.0° 75.0° 6.5cm 43.0cm 102.4cm
53cm 53.0cm 54.0cm 57.3cm 37.5cm 78.1cm 15.5cm 71.0° 74.0° 6.5cm 43.0cm 102.2cm
56cm 56.0cm 56.0cm 59.3cm 37.8cm 80.7cm 17.5cm 71.0° 73.0° 6.5cm 43.0cm 103.2cm
59cm 59.0cm 58.0cm 62.0cm 39.0cm 83.6cm 20.0cm 72.0° 73.0° 6.5cm 43.0cm 104.3cm

Geometry Chart

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Can someone please explain the pedal situation of this bike to me? The none of the pictures show pedals and the tech specs say "test ride", I truly do not understand.

Best Answer


This bike, like most, doesn't come with pedals. Most riders have a preference for the type/brand they are using so those are purchased separately. The "test ride" was an error and I will submit a request to get that removed. If I can help you place an order and pick out pedals, give me a call.

801-736-6396 ext. 5630

I love this bike!

  • Familiarity: I've put it through the wringer

Hello all, while I did not purchase this bike from Competitive Cyclist, I thought I'd share my experience so far. First I'll comment on the tire size question as I bought this bike to be primarily a road bike with the ability to go off if I choose. ... I'm not a professional but have seen a lot of articles lately touting the benefits of running wider wheels with road tires.

So far I've zero issues. Tires fill out nice and large and roll well. Like I said, I'm not a pro or engineer, but the trend I'm seeing seems to be turning towards wider wheels for road tires... ( someone correct me if I'm mistaken, Rico? ). As for the bike experience, it is awesome! I ride a bit of everything, mountain, road, etc. This bike is far better at everything than I expected... For instance-with 25c road tires it is extremely comfy and I've only done two plus hours in the saddle so far. It is also proven relatively fast. On my Time Trial bike in the hills of Colorado my average speed is usually around 17-18mph, and is just a bit slower on the Haanjo, 16-18mph. Very comfy and confident handler, I do prefer a bit slacker geo my road bikes, so this is great. The big surprise for me was the off road capability! I have done several my trails so far, and this thing is a beast! I've done some relatively technical rocky stuff with this bike and other than the obvious need to guard your skinny 32c tires when rolling through rocky sections, it has been very sturdy/fast! I actually passed some guys on all mountain bikes, who later expressed their surprise to me. The one issue has been the brakes which vibrated a bit after the first few rides, but with some work from the shop I purchased it from, have gotten better. Still have a bit of issue that comes and goes, it I will get help from a very trusted and experienced local if I need to, and it is not a real concern at the moment.

Hi there!... I am interested in getting...

Hi there!... I am interested in getting the Haanjo as a commuter/fitness bike. I will be using it on paved road 99% of the time.... That said, is it possible to order it an get the tires exchanged to something more street worthy?.... Thank you!! - J

Diamondback also has the Century Sport Disc, which pretty is pretty much the road tired version. There is also the Century Disc, which uses BB5 mechanical disc instead of the cable/hydro TRP disc brakes.

What is the minimum tire size these rims...

What is the minimum tire size these rims will take? Will it work with 28mm or even 25mm?

Is it possible to mount a speed/cadence sensor? The brake cable runs on top of that rear stay.

Best Answer

It is not recommended to run below a 28mm tire as these are wider rims to except larger width tires. 28mm is kind of stretching the limits as well and you may find some difficulties in mounting the system.

To answer the other question, depending on your speed and cadence system you can put in on either chain stay above or below the cabeling. I hope this answers your questions and if not feel free to contact me at my email address:



I mounted the Garmin GSC 10 cadence sensor. Just had to pop the brake line out of the clips and push it to the side of the rear stay. Haven't had an issue with it over the last hundred miles or so.

whats your return policy on bikes?...say...

whats your return policy on bikes?...say if I ordered it it and the fit wasnt right.

Best Answer

Our return policy is for bikes is the same as our other products. If the bike is in new condition, unused, and with original packaging, we can take it back for a full refund. In this way, if you are working with a fitter and they decide that it just wont work, you're covered. Even if you ride the bike, we accept returns upto 90 days from the date of purchase for a store credit. In both cases, the customer is responsible for the return shipping, but you certainly do have some recourse if it's not exactly what you need.

Commuter or Weekend Warrior Gravel Bike!

  • Familiarity: I've used it several times

Got this bike when it first came out and love it. While it is on the heavy side for a road bike, it's a blast for riding dirt roads, and even jumping off on the trails. I used to ride dirt roads on my road bikes, but always found myself soft pedaling as I came up on loose gravel or washboards. With the Hanjo Comp and it's cross-like tires, I just blow through them.

The main reason I bought this bike though was for commuting. I've been looking for a drop-bar / road / cx bike with mounts, and this one was right in the price sweet spot.

The Hanjo's geometry is definitely on the side of a comfort road bike / cross bike vs. a performance road bike. It puts the rider up pretty high when in the hoods. I actually find myself more comfortable in the drops, which I'm not used to!

Really glad I added this one to my collection. Again, if you're into having fun, and blasting through dirt roads, and jumping in and out of trails, this bike's for you. If you want a solid 15-20 mile commuter bike, this is for you. If you're planning on racing, get a pure road bike.

What do you think of the ride quality. Is it overly harsh and jarring?

The ride quality is good. Haven't found the ride harsh. The max ride I've done on it is 2.5 hours, and haven't had any back issues. I have been riding a 5-mile dirt section that has a lot of washboards, potholes, and mix of loose and hard dirt, and have found the bike does really well on it, and don't get bounced around. The bike tracks well in these sorts of situations.

I have gone on a few rides with guys on road bikes, and I will admit that this bike does not roll as fast as my road bike. It's a suffer fest trying to keep up. Particularly notice it on the ascents though.

What is the maximum tire size that will...

What is the maximum tire size that will fit on bike? Can it take a 38 or 40mm tire?

Best Answer

35mm tires will fit with no problems. You can get a 38mm or 40mm in the frame and fork also, but you would not be able to also fit fenders. If you have any questions, feel free to contact me.

good question! It's one I actually had before I ordered the bike as well. 32mm is what comes with the bike. I tried to get a 42mm on the rear, and it won't fit -- rubs a little bit. I'd say don't go larger than 38mm to be safe. The fork can definitely handle a 42mm, and can probably go wider if you want, but not sure how much good that does if you can't go that wide on the back.

Just as an FYI -- Reynolds 29er wheels do fit on this bike. I'm using them now. Just be aware that 32mm tires are too narrow for them per the companies recommendations. That said, I've been using 32mm tires on them anyways, and don't have any issues, but I'm not really pushing the limits on this bike.