KTM Macina Cross going cheap.

103Alex1

Esteemed Pedelecer
Sep 29, 2012
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I'm probably going to give mine a bit a service / tune soon as bike has barely been ridden for months and I'll take a closer look at the wear. They're HS33 but probably the same mechanism. I know what you mean about the adjuster dial on the handlebars, but if my hazy memory serves the idea is to equalize them. Otherwise you get a load of travel and then a clunk when they engage which doesn't feel right.
 

Artstu

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Aug 2, 2009
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Mine feel fine even when one pad is having to move 4 or 5 times the distance the other one does. I guess I'm a very demanding e-bike user with riding on the very hilly lanes around where I live.
 

Artstu

Esteemed Pedelecer
Aug 2, 2009
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Put a new pad in on one side and that's swapped the problem over to the other side :rolleyes: so I may have to spend some time setting them up if they'll move.
 

peerjay56

Esteemed Pedelecer
May 24, 2013
745
201
Nr Ingleton, N. Yorkshire
The brakes are half worn on my Magura rim brakes, the lever adjuster only moves one side, so one pad has to be almost touching the rim and the other a mile away, rather than mess with the position I'm going to stick one new pad in on that side, so when the other half is worn out, the then half worn pad can take its place and a new pad be added, hopefully that will work perfectly.
It doesn't sound like you have centred your brakes properly. You can't do that from the barrel adjuster or cable tension at all. See Sheldon Brown, with picture showing the centring adjustment screw.:)
 

RobF

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Sep 22, 2012
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Stu is an enthusiastic user of the bike and appears to be getting through some brake pads.

I wonder if a rim brake is less than ideal in this application, there's only so many pads you can fit before the rim is too worn meaning a new wheel.

A disc brake would be much better from a pad wear point of view and, of course, there's no wear on the rim.

Might be worth thinking about fitting a disc on the front, if not the back.
 

Artstu

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Aug 2, 2009
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Yes I was just thinking about a disc for the front the other day Rob. At the moment I'm just pondering my options with my hub-gearing fault, I'm getting a brief loss of drive in 8th gear. I've not contacted the supplier yet, the KTM importer is a lot closer to me, whether they'll be happy to deal with me directly I'm not sure. I certainly don't want to be posting my bike back to Busters the motorcycle accessory place that supplied the bike.

I've tweaked the cable adjustment either side of perfect with no change, I'm pretty sure it isn't an adjustment issue, I'll try it with the new chain, but again I doubt that will make any difference.
 
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RobF

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Sep 22, 2012
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Does your hub need an oil change after 1,000km?

My Alfine 11 does.

I appreciate that's more maintenance than repair, but your hard use might have released some little swarfy bits and will certainly have given the oil a pasting.

I've read stuff about Alfine 11s changing more smoothly after an oil change.
 

Artstu

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Aug 2, 2009
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The 8-speed doesn't have oil, it has grease. After googling the Nexus 8 I realise there are some reliability issues, and I'm not sure I'd want to take one apart for re-greasing, although just pulling the innards out isn't massively complicated.
 

RobF

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Sep 22, 2012
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The 8-speed doesn't have oil, it has grease. After googling the Nexus 8 I realise there are some reliability issues, and I'm not sure I'd want to take one apart for re-greasing, although just pulling the innards out isn't massively complicated.
Not sure of the age of your bike, but I believe the latest Nexus 8 hubs are called 'alfine'.

Maybe they have similar guts to mine and use oil.
 

Artstu

Esteemed Pedelecer
Aug 2, 2009
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Not sure of the age of your bike, but I believe the latest Nexus 8 hubs are called 'alfine'.

Maybe they have similar guts to mine and use oil.
Yes the red band Nexus has the same innards as the Disc compatible black Alfine, but still with grease. I've come across some Nexus hubs that have been modded to oil bath.

Perhaps I'll upgrade to an 11-speed. Although the 8-gears seem OK now I've upped the gearing a little, apart from the fault of course.
 

103Alex1

Esteemed Pedelecer
Sep 29, 2012
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Just out of interest would it have been much cheaper to buy an 11sp from the word go ? I've seen so many posts on here protesting that you don't need this gear range on an e-Bike etc etc but it's interesting to see someone seriously looking at increasing it. Steep hills mean you can benefit from high range at the 2 extremes - more speed from highest gearing on the downhills/flat and easier climbing from lowest gearing on the serious climbs.

Was really interested in that chart you linked on another thread btw ...

( http://www.simpel.ch/fileadmin/speztooldata/download/N360_GearInchCard.pdf )

Blew a preconcreption for me looking at the Rohloff ... seems it's all at the bottom end !
 

Artstu

Esteemed Pedelecer
Aug 2, 2009
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Yes you are correct it would have been better to buy an 11-speed from the off. One reason I didn't was the £1,400 price of this bike. I'm hesitating going to 11-speed because of the fact an 11-speed bike would have been the sensible option. I could do the change for about £420, but I'm going to resist because it doesn't make economic sense, and I have to stick with my original decision.

The up-gearing has had the desired effect and I'm happy with the gear range now, that's not to say 11-speed wouldn't be better. It gets me up the steepest hills still, with power of course, and I can now pedal comfortably to around 30 mph, so it'll do.

It's just the aggro of dealing with my supplier that is located 200 miles away that I'm now not looking forward to, and the loss of use of the bike.

and yes that Rohloff has an awful lot of low gears.
 

103Alex1

Esteemed Pedelecer
Sep 29, 2012
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Does your hub need an oil change after 1,000km?

My Alfine 11 does.

I appreciate that's more maintenance than repair, but your hard use might have released some little swarfy bits and will certainly have given the oil a pasting.

I've read stuff about Alfine 11s changing more smoothly after an oil change.
I'm about to deal with the 1st oil change on mine. Having read up a load of regular bike forum stuff on balance think I'm going to go with this kit @ £22 which should be good for another couple of years / 4000km :

Shimano Alfine 11 SG-S700 hub oil maintenance kit (oil optional) - beats TL-S703 | eBay

I like the fact it includes polymer nipple rather than a steel one and could do with a 2nd syringe. The £60 for a Shimano kit is completely unnecessary. Rohloff bleed attachments work on Alfine 11s too and are much cheaper. But would rather use the genuine Shimano oil so there can be no question of warranties.

Looks like no more than half an hour's work. Can't see what all the fuss is about to be honest !
 
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Artstu

Esteemed Pedelecer
Aug 2, 2009
2,420
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Just a quick update on my Nexus 8 slipping in 8th gear.

The retailer no longer dealt with KTM bikes and directed me to find a local dealer. I contacted the importer FLI distribution as they're probably the closest to me. I delivered the wheel to them and they returned it to Madison to fix. It took just under three weeks to get the wheel back.

There must have been a mix up in the reported error, as the letter that came back with the wheel from Madison described not being able to find a fault for the sticking in 8th gear.

They have replaced the whole of the internal workings anyway to be sure, so fingers crossed I'll have a fully functioning bike again.