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Old 01-16-15, 02:08 PM   #1
nick coyle
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Trek Domane Disc and rear Rack + panniers possible?

Hello,

This is my first post. I am interested in buying a 2014 or 2015 trek domane disc 4.5, but I need a bike that can work with a rack and be used to carry groceries occasionally. Plus, I ride to work 5 days a week and carry lunch in a pannier. Has anyone out there tried installing a rack on the domane disc and can comment on how it handles with weight on the back? I test road the frame and really like the ride quality plus the hydraulic disc brakes would be awesome for rainy commuting.

Currently, I ride a steel frame road bike with relaxed geometry, and it works well with a rack and panniers. I used to have a lemond zurich 853 steel frame that handled terribly with a rack and panniers. The handling really suffered at the handlebars and while turning as it was very flexy side to side with any weight on the back, so I ditched it. I'm concerned the domane will feel the same as the lemond did with a rack. Although the domane is more of an endurance road bike compared to the lemond zurich which was a road racing bike. I think the longer chainstays of the domane frame would handle weight better than the zurich frame with its shorter stays and steeper angles, but I don't know for sure.

As far as mounting the rack goes, that's a big challenge. The domane frame has "hidden" fender mounts, but I seriously doubt those would be strong enough to support a rack. I'm thinking instead of installing a rack using the rear wheel axle and either the seat post binder bolt, or some p clamps around the seat stays. I know you can attach a rack such as the axiom streamliner by mounting it through the rear axle of the wheel and also at the brake bridge on the frame. And that rack is rated to support 100 pounds when installed at the wheel axle. However, the domane 4.5 frame does not have a brake bridge and the rear axle is oversized 142x12mm. With these obstacles, I may have to fabricate some kind of oversize axle hardware for the rack and use p clamps at the seat stays. But on second thought, it might not be the right bike for me and my needs because of these issues. Has anyone out there tried installing a rack on the domane disc and can comment on how it handles with weight on the back?
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Old 01-16-15, 02:58 PM   #2
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Your Tastes And Budget are different than Mine

A SaddleBag that mounts onto the Saddle rails will carry enough ..

Carradice Has a CarraDry Bag ** and A few QR Bag Mounts to pop it Off, use the hidden Mud guard Mounts for Mudguards ..

Though a Premium Priced Bike would go from Your Work Cubicle to your house and not left on the street, ever,


want a rack ? shop from the rack Mounts backwards , rather than a $8K Race Bike and Bodge something Up.

save the Pro Replica for the weekends .. The Crockett Disc is able to fit wider tires , but a cheaper Cross Style Bike

will be a better commuter .. Racks fittings and such. right tool for the Purpose.



** http://www.carradice.co.uk/index.php...product_id=122


I Recommend discussing this with Your Trek Dealer .. Maybe a CrossRip will be good enough
http://www.trekbikes.com/us/en/bikes...rossrip_elite/
+ leave a lot more dosh in your Account.

Last edited by fietsbob; 01-16-15 at 03:21 PM.
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Old 01-16-15, 05:41 PM   #3
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Streamliner Road DLX - Streamliner Racks - Racks - Products - Axiom Performance Gear
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Old 01-16-15, 06:05 PM   #4
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That bike's not intended to be a pack horse. If you want to run a rack,you'd do better with a CrossRip or 720.
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Old 01-16-15, 07:54 PM   #5
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Quote:
Originally Posted by nick coyle View Post
As far as mounting the rack goes, that's a big challenge. The domane frame has "hidden" fender mounts, but I seriously doubt those would be strong enough to support a rack. I'm thinking instead of installing a rack using the rear wheel axle and either the seat post binder bolt, or some p clamps around the seat stays. I know you can attach a rack such as the axiom streamliner by mounting it through the rear axle of the wheel and also at the brake bridge on the frame. And that rack is rated to support 100 pounds when installed at the wheel axle. However, the domane 4.5 frame does not have a brake bridge and the rear axle is oversized 142x12mm. With these obstacles, I may have to fabricate some kind of oversize axle hardware for the rack and use p clamps at the seat stays. But on second thought, it might not be the right bike for me and my needs because of these issues. Has anyone out there tried installing a rack on the domane disc and can comment on how it handles with weight on the back?

Mounting racks to the axle is not a problem as many companies sell adapters:

Universal Cycles -- Tubus QR Axle Mounting Adaptor[B]

Edit: I'm not sure how compatible these are with 142 mm thruaxle but it's possible that Trek makes a converter for the hub.

And don't let the retro types get you down -- I think the domane 4.5 would make for a great commuter and an axiom disc-compatible rack would work fine (if it fits on the thruaxle).

Last edited by spare_wheel; 01-16-15 at 08:04 PM.
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Old 01-16-15, 08:59 PM   #6
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I'd second the opinions above that recommend something other than a carbon Domane Disc as a commuter; however, if you do wish to put a rack on one, it is compatible with Bontrager's lightweight BackRack, which mounts at the skewer/dropouts instead of using standard rack mounts. One caveat: you would have to also install a seatpost clamp with eyelets to give the rack struts someplace to attach, due to the Domane Disc not having a rear brake bridge.

Someone above suggested the Crockett instead, saying that it has rack fittings, but that is unfortunately not the case. There are neither rack nor fender mounts on the Crockett, as it is meant primarily for CX racing. The CrossRip family of bikes, on the other hand, would indeed have you covered as far as commuter accessory compatibility.

**EDIT: Crap...I forgot that the Domane Disc also has a 142x12 thru axle. Never mind that Bontrager rack, in that case (unless there's some adaptor available), but the eyeleted seatpost clamp would likely still be a necessity.
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Old 01-17-15, 11:37 AM   #7
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Originally Posted by fietsbob View Post
Though a Premium Priced Bike would go from Your Work Cubicle to your house and not left on the street, ever,


want a rack ? shop from the rack Mounts backwards , rather than a $8K Race Bike and Bodge something Up.
Yeah you pretty much convinced me with these 2 statements. I would be making too big a risk every time I locked it up. Someone said I should just get a thick u lock, and it will be fine. But its not really true these days when you can cut just about any bike lock with cordless tools and bystanders don't notice whats going on. I live in Seattle, and just a few years ago someone here was stealing sti levers by just cutting the brake and shift cables and unscrewing the clamp bolt and leaving the clamp attached to the bars. I just worry too much already when I leave my bike locked up. It would be even worse with a brand new carbon bike costing over $1000.

Instead of getting a new bike, I think I will order this Nashbar 1" disc fork and see how it handles. Its the only 1" fork with a disc brake tab I can find anywhere!
http://www.nashbar.com/bikes/Product...0052_175019_-1
And if I like it, I will at least have a front disc brake. My only concern is that it has 1cm more axle to crown than my current fork and it has a 45mm rake vs my current fork rake of 43mm. I'm using the ritchey carbon comp 1" fork right now (43mm rake and 360mm axle to crown), and I like how my bike handles with it. The steering isn't twitchy, yet I can turn sharply and quickly. The problem with some cycle cross bikes I have tried is the front wheel has a tendency to stay straight until I really get into a turn and then it feels like it "flops over" unless you are going really fast. Has anyone else experienced that with forks that have a axle to crown around 390-400mm?

I can post back here once I give the fork a thorough test.

Thanks everyone for your thoughtful responses!

Last edited by nick coyle; 01-17-15 at 11:58 AM.
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Old 01-17-15, 11:56 AM   #8
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That bike's not intended to be a pack horse. If you want to run a rack,you'd do better with a CrossRip or 720.
Those are both good options for cheaper but still light disc bikes. Although those are both aluminum, which while I am sure is nice enough, I would rather ride steel or carbon. Plus have you checked out the 2015 720? It comes with some neat proprietary front bags!
720 - Trek Bicycle

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Old 01-17-15, 05:44 PM   #9
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Although those are both aluminum, which while I am sure is nice enough, I would rather ride steel or carbon.
Your choice,or course,but I've never had an issue with alloy frames. My bad weather commuter has an alloy frame,and it's got well north of 10K miles in all weather with no issues. It was also my grocery getter before I got the cargo bike,and even did polo duty for a few months. My proper polo bike was an all-alloy Swobo Otis,and despite many spectacular crashes and many mallet strikes,also never gave me any problems. Alloy frames ride just fine with a proper fork and tires,and that's coming from someone who rides DC's crappy roads and has mild CT.
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Old 01-17-15, 07:26 PM   #10
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Whoops, you were already aware of the axiom. Sorry for not reading thoroughly!

Good luck with your other solution.

Personally, I wouldn't worry about it not being a workhorse, if you're comfortable locking the bike up. How much stuff do you carry, and how much do you push it, bike handling wise, on your commute? Likely plenty of room for error there.

I commute on a road bike. It's not ideal(I wish I had longer chain stays, is pretty much the only problem. If I didn't have size 15 feet I'd likely be fine), but it works.
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Old 01-20-15, 06:57 PM   #11
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Personally, I wouldn't worry about it not being a workhorse, if you're comfortable locking the bike up. How much stuff do you carry, and how much do you push it, bike handling wise, on your commute? Likely plenty of room for error there.

I commute on a road bike. It's not ideal(I wish I had longer chain stays, is pretty much the only problem. If I didn't have size 15 feet I'd likely be fine), but it works.
My commute is typically 20 minutes each way with big hills. I usually hop onto a lot of sidewalks and over mediansto avoid traffic, so I push the bike pretty hard. Without having a real point to attach the rack to the domane frame, it's probably not going to be as strong as a rack on a bike with eyelets.

Tracking on the nashbar fork says it will arrive next monday. I'll be using a spare v brake with it while testing how it changes my bike's handling, and if its ok, then I will try to spring for a shimano hydraulic set. Luckily its just the front shift lever that I would be changing, so I won't have to purchase a new 11 speed cassette and all that.
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Old 01-31-15, 12:12 PM   #12
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So I got the fork installed and went for a ride, but I really dislike the way it handles. It feels really slow to turn like it has a larger turning radius. When initiate a turn it feels like nothing is happening until the wheel flops over abruptly into the turn which is sketchy. I don't think I will keep it. I tried it out with v brakes installed, and I have to say these cheap v brakes I got were twice as powerful as the ultegra caliper brakes that go with my sti levers.

Its pretty disappointing, but I will have to keep looking at new disc brake road bikes.
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Old 01-31-15, 03:32 PM   #13
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So I got the fork installed and went for a ride, but I really dislike the way it handles. It feels really slow to turn like it has a larger turning radius. When initiate a turn it feels like nothing is happening until the wheel flops over abruptly into the turn which is sketchy. I don't think I will keep it. I tried it out with v brakes installed, and I have to say these cheap v brakes I got were twice as powerful as the ultegra caliper brakes that go with my sti levers.

Its pretty disappointing, but I will have to keep looking at new disc brake road bikes.
What series Ultegra and how old are the brake pads? IMO the brakes on 6500/6600 were pretty weak, the 6700 series brakes are much better.
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Old 01-31-15, 07:37 PM   #14
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What series Ultegra and how old are the brake pads? IMO the brakes on 6500/6600 were pretty weak, the 6700 series brakes are much better.
I am using the ultegra 6800 brakes with the 105 5700 sti levers. This is supposed to take advantage of the newly designed cable pull of the 5700 levers. It's supposed to be more powerful than any caliper brakes before, but I think they suck. One thing about the 6800 brakes is the clearance got slightly reduced so my fenders wouldn't fit anymore. The solution at the front wheel was to cut the fender at the brake:


and for the rear to route fender over the brake:


With all the crud on those brakes, you can understand why I would want disc brakes. And here you can see here the nashbar fork mounted with regular v brakes. Look at how much clearance I now have, but ruins the handling!
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Old 04-18-15, 12:49 PM   #15
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It is possible, and I'm pleased with the result - although there was a bit of fettling involved.

My bike is a Domane 4.1 disc, and I've fitted and Axiom Streamliner disc rack. I did consider the "road" rack, but I didn't fancy the flimsy attachment to the brake bridge - which the domane disc doesn't have anyway. Instead I've attached the disc rack to an eyeleted seat post clamp (the same as the one recommended above) via the two aluminium bars that also come with the disc rack. These have to be cut to size.

As pointed out above, things are trickier at the bottom attachment point. The mudguard mounts are not strong enough, and I don't like the idea of P-clips, as they are liable to slip and will apply a load to the seat stays in a direction other than the designer intended, which is not good practice with carbon, so I've used the through-axle. The hole in the skewer brackets supplied with the rack is obviously too small, so I drilled a 12mm hole instead. This has to go about half-way along the brackets, so I took the opportunity to shorten them while I was at it. This fits on the QR side of the axle fine, but there's nothing to fit to on the other side. However, the threaded boss that the through-axle engages with is rather longer than the axle, which sits in the boss about three threads back from flush. I cut down an M12 machine screw and fitted the rack with this, into the axle mounting boss. That's not a lot of engagement, so to make sure it doesn't rattle itself loose I've drilled the screw head and the bracket to take some locking wire, just in case. Threadlock or a locking washer might work just as well.

The bike rides fine with the rack on. I've not put a great deal on load on it - just the bag I take to work with my change of clothes - nowhere near the rating of the rack (before I cut bits off it), I suppose about 10kgs (20lbs), but it works really well for me.

Hope that helps.
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Old 07-03-17, 10:42 AM   #16
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Fitting Axiom streamliner Disc to Domane Disc

Hello,

I am new to cycling and I also just purchased a Domane Disc Bicycle and I would like to fit it with the Axiom Disc rack. Drilling out the Skewers to fit 12mm doesn't seem hard but where on the frame do you slide the lower attachments on the axle.would you put them on the outside of the frame or inside? the side with the quick release seems easy enough but I'm not sure of the opposite side. Any pictures or further explanation would be really helpful.

Thanks,
Aaron
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Old 07-09-17, 11:38 AM   #17
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I have a Domane 4.0 Disc and this:

https://www.trekbikes.com/us/en_US/equipment/cycling-accessories/bike-racks/bontrager-backrack-seatpost/p/06971/?colorCode=black

I'm using a trunk bag and not panniers but they do have add-on supports:

https://www.trekbikes.com/us/en_US/equipment/cycling-accessories/bike-racks/bontrager-seatpost-rack-pannier-support/p/11043/?colorCode=black

My seat post is aluminum and it works fine but you can feel that weight. I'm not sure if carbon would be an issue.
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