Does a panier rack need to be level?

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OP
OP
roger06

roger06

Über Member
I suspect the issue is that that frame, already a small one, is mixte-like with its toptube-seatstay line which drops the fastening point way lower than normal and forces the slight slope. And the tyres are chunky: 2.6" ones so less room under rack.
As an aside, saddle looks super low too. Maybe OP is not tall: 28" inside leg?

Frame is a medium but you're spot on with my short little legs! Maybe 29" at a push!!
 

ExBrit

Über Member
Nothing wrong with it except it might push the front of a rack bag into your butt.
 

Moodyman

Legendary Member
Looks like you’re using P clips on the seat stays. Using a P clip on the exposed part of the seatpost may allow the rack to sit further back and be horizontal.

Edit: to answer your question, no it doesn’t need to be level, but it’s more aesthetically pleasing and possibly, less stressful on the components.
 
OP
OP
roger06

roger06

Über Member
Did commute to work today and rack and single pannier were indeed fine. Actually couldn't believe how nice it was not having a backpack for the first time ever though.

On the way home though started having problems with 10 month-old Cube eMountain bike. Kept getting speed sensor errors, which have never had before, and motor kept cutting out. Is this a coincidence or could the rack be causing some sort of interference?
 
You can make it work but the whole rack/frame/wheel arrangement is sub optimal.
Long rack stays angled down break the triangulation of the rack mounting so you are relying on the stiffness of the little metal stays to not twist or bend under load.
On this bike, the wheels are too big, the frame seatstays are too low. I assume the cranks are too long which contributes to heel strike at the panniers.

You can get seatpost clamps with built in pannier mounting threaded eyelets.
 
OP
OP
roger06

roger06

Über Member
You can make it work but the whole rack/frame/wheel arrangement is sub optimal.
Long rack stays angled down break the triangulation of the rack mounting so you are relying on the stiffness of the little metal stays to not twist or bend under load.
On this bike, the wheels are too big, the frame seatstays are too low. I assume the cranks are too long which contributes to heel strike at the panniers.

You can get seatpost clamps with built in pannier mounting threaded eyelets.

Heels are nowhere near panniers.
 

8mph

Veteran
Location
Devon
Fitting one of these seat clamps with rack mounts might help to level things up a bit

SJS Cycles part number : 23745D349
 
OP
OP
roger06

roger06

Über Member
Highly unlikely, unless you believe in witchcraft.

Yeah agreed - but it's been no problem ever, and the first ride with a rack it plays up. The sensor is magnetic and the frame is metal... well I'm going to take it off and try. Nothing's bl**dy simple... Just wanted a rack for commuting!:wacko:
 

presta

Guru
Long rack stays angled down break the triangulation of the rack mounting so you are relying on the stiffness of the little metal stays to not twist or bend under load.

I was tempted to say this at the outset, the problem isn't that the rack's wrong for the bike, it's that the bike's wrong for a rack. I don't rate the stay's chances of not buckling either if it's used with substantial loads.

There's a good reason why it was made without rack mounting points.
 
OP
OP
roger06

roger06

Über Member
I was tempted to say this at the outset, the problem isn't that the rack's wrong for the bike, it's that the bike's wrong for a rack. I don't rate the stay's chances of not buckling either if it's used with substantial loads.

There's a good reason why it was made without rack mounting points.

OK, I'm really confused now - you're saying an eMountain bike can't have a rear rack?
 

8mph

Veteran
Location
Devon
Thanks, I was trying to find one of those on Amazon, but with no success.

It's not going to do much considering how short your seat tube is but perhaps it could be mounted to a seat post, provided that it's long enough and not carbon
 
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