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-   -   Rear Rack on a disc brake bike... (http://www.bikeforums.net/general-cycling-discussion/940078-rear-rack-disc-brake-bike.html)

unclejemima 03-25-14 10:48 PM

Rear Rack on a disc brake bike...
 
I'm getting confused. I want to mount a rear rack to my bike but I see some racks are advertised as "disc brake mount".

My bike has rear disc brake...do I choose a rack model that says "disc brake mount" or does that mean the rack uses the disc brake mounts, so I won't be able to use my disc and the rear rack...????

Confused! :)

I'm wanting this one...

Ibera Bike Pakrak Touring Carrier Rack Plus Cycling Rear Storage Holder New RA4 | eBay

or this one might be a safer choice...

Alloy MTB Bicycle Rear Rack Bike Bag Pannier Compatible with Disc Mount Brake | eBay

alaskanb3arcub 03-25-14 11:23 PM

The reason the rack is labeled disc mount is because it is designed to go on a disk fork, which has a different spread from V or caliper brakes. I seriously doubt the rack will go through a disc brake mount, but I haven't installed one in a while.

J.C. Koto 03-25-14 11:35 PM

You want something disc-brake compatible. If it says "disc brake mount" it means it's compatible with a disc brake bike. If the rack doesn't mention it's disc brake compatible you can probably still use it but it might take some ingenuity (and a lot of frustration) to rig it up to work well, so it's probably better to get something that specifically mentions disc brake compatibility.

edit: TBH, neither of those racks look particularly good, IMO, but I will defer to someone who has either.

yote223 03-26-14 12:46 AM

I just put one of these on my new TREK 3500 Disk. Works great. They have them on sale right now.

TransIt TD-1 Rack - Bike Racks

xenologer 03-26-14 01:32 AM

disk brakes usually get in the way of traditional rack mounts. so 'disk racks' typically have legs that arch out to clear the brake . some touring intended bikes may get clever with frame design to allow normal rack compatibility , lookup Surly Troll

dynaryder 03-26-14 05:47 PM

2 Attachment(s)
Quote:

Originally Posted by alaskanb3arcub (Post 16612099)
The reason the rack is labeled disc mount is because it is designed to go on a disk fork, which has a different spread from V or caliper brakes.

wrong

Quote:

Originally Posted by xenologer (Post 16612208)
disk brakes usually get in the way of traditional rack mounts. so 'disk racks' typically have legs that arch out to clear the brake .

correct

unclejemima: what bike do you have? Many bikes have their rear caliper mounted on the seatstay like this:
http://bikeforums.net/attachment.php...hmentid=371174

Because the caliper sticks out,you usually need a disc-specific rack that will mount around it. Note,many hydraulic calipers tuck in far enough to clear a rack.

Nowadays,many bikes come with the caliper mounted to the chainstay like this:
http://bikeforums.net/attachment.php...hmentid=371175

On these,the caliper is out of the way and standard racks will work.

Here's some links to some companies that make disc-specific(and standard) racks:
Topeak® Cycling Accessories ? Products - Racks
Racks « Products « Axiom Performance Gear
Racks


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