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Rear Suspension

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 Jim
Topic starter
(@jim)
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Joined: 4 years ago

Hello,

 

Been riding my TC for a year now and love it for short distances!

I'm a heavy dude (99kg) and got a little problem.

Sometimes my rear end hits my rear fender when I take a speed bump to fast...

I've been trying to adjust my rear suspension with that special key but the thing doesn't budge one bit!

It's stuck! I've tried to grease it and it still won't budge!

Any suggestions???

Thanks! And enjoy the rides!!!!

16 Replies
Bvzijverden
Posts: 31
(@bvzijverden)
Eminent Member
Joined: 4 years ago

How you doing Jim. I'm right here with you on this problem! Weighing 115kg myself and am constantly bottoming out the rear. 

You can try spraying a generous amount of WD40 onto the locking nuts, leave it for a minute and then try it again. Also be sure you try and twist the nuts away from each other, not towards the other since that would just tighten it (don't take offence into me stating the obvious).

I must advice you though, dialling the shock to a harder position won't do much good though: you'll one problem for another.
Instead of the rear hitting the read fender, you'll have a unbearably uncomfortable ride that is like riding a hard tail bicycle. 
Upgrading the shock for one with more travel and preferably adjustable rebound are the only solutions 🙁 The rear shock on the TC is just craptacular quality I'm afraid. 

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m66
Posts: 78
 m66
(@m66)
Estimable Member
Joined: 4 years ago

Stock shock have 30mm of travel with 260mm eye to eye... Change it to 270mm. There is 270mm DNM for pitbikes, with gas expansion chamber on hose, so you can mount it to the frame. You will have nice progressive suspension with longer travel (circa 50mm).

Stock suspension is a shitty pogo stick. But that's one of the reasons the price of the bike is relatively low.

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Bvzijverden
Posts: 31
(@bvzijverden)
Eminent Member
Joined: 4 years ago
Posted by: @m66

Stock suspension is a shitty pogo stick.

🤣 🤣 🤣 🤣
Very good way of putting it!
Thanks for the suggestion though, I've been browsing shock catalogues for a while but nothing caught my eye so far. 
Do you have any experience with the DNM one?

But yeah @Jim , just change the rear shock as adjusting the nuts won't help you I'm afraid. 

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12 Replies
m66
 m66
(@m66)
Joined: 4 years ago

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Posts: 78

@bvzijverden Sadly not this one. I use DNM RS2 for ebikes, I like it. That one is getting off the stock to fast, 280mm version is available but I want 270. I went for cheap piggy back no-brand shock as a stopgap. Even this one is better than stock. One minus, you need to cut into the rear plastic to fit piggyback style shock.

DNM I'm looking forward to buy is MK-BAG 270mm version.

 

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Bvzijverden
(@bvzijverden)
Joined: 4 years ago

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Posts: 31

@m66 the other day I got my hands on a 300mm YSS shock but no way in hell was that thing going to fit in there -thats what she said.

Put the stock back on it for now but I really want to replace it asap and that DNM 270 you mentioned earlier looks alright.

What about the brand DNM itself? It's not very know here amongst the local bike mechanics so they couldn't offer me any feedback.

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m66
 m66
(@m66)
Joined: 4 years ago

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Posts: 78

@bvzijverden DNM offers shocks from low to medium pricetag. They are not Ohlins, but they have really good price to performance ratio. And overall are really good if used properly 😉 They are more present on pitbikes and smal MX bikes, as this is the dedicated market for them. Pitbike part is really good for us. As TC seems to be mix of pitbike (front and rear suspension) and scoot specific parts (brakes). 150 to 200$ for a rear shock is quiet nice price.

I'm now looking for new front shocks or new shock inserts

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Bvzijverden
(@bvzijverden)
Joined: 4 years ago

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Posts: 31

@m66 a Ohlins shock would be nice indeed yet I'd need a gofundme page to be able to afford those 🤣.
Saw the DNM MR-AR 270mm with gas for €119 here on a Spanish website. Doesn't look bad tbh and might actually go for it. 

Not liking the front shocks either? The seem to hold up for me albeit a bit too soft.

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m66
 m66
(@m66)
Joined: 4 years ago

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Posts: 78

@bvzijverden front is little to soft, but passable. Travel is ok-ish, but I need longer upper tubes. I need to drop the forks 5 to 15mm. I have way bigger tires than stock one I'm hitting radiator when bottoming out 😉

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Bvzijverden
(@bvzijverden)
Joined: 4 years ago

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Posts: 31

@m66 Ah yeah sh*t.. didn't look at your profil pic until now.. those tires look cool AF man!! Love them. 

No wonder you need that extra bit of travel because I guess your doing a fair bit of off-roading on the thing

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Bvzijverden
(@bvzijverden)
Joined: 4 years ago

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Posts: 31

@m66 Ah yeah sh*t.. didn't look at your profil pic until now.. those tires look cool AF man!! Love them. 

No wonder you need that extra bit of travel because I guess your doing a fair bit of off-roading on the thing

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 mrj
(@mrj)
Joined: 4 years ago

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Posts: 66

@bvzijverden Have you tried Hagon or Nitron (both UK manufacturers).
No surprise - they don't list SuperSoco, but an enquiry email might find they have something on the shelf that matches the bike weight and shock length.

I've been thinking the same - change the rear shock. And maybe springs & oil in the front. The ride is not good. Feels like the bike needs a lot more weight to smooth it out, but then the suspension will bottom out all the time. Cheap.

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(@totofaki)
Joined: 3 years ago

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Posts: 17

@mrj Did you do it ? Thinking to do the same.

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 mrj
(@mrj)
Joined: 4 years ago

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Posts: 66

@totofaki No, sorry, I haven't done this yet.

I took the front wheel out to measure the brake disk and discovered the steering is really notchy. So the head bearings need replacing. And this is after ~1000km / 2.5 years! Not good. And my forks are leaking oil a little bit.

So a full front end rebuild is required before its first MOT (annual inspection) in December, when it is 3 years since I bought it.

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(@totofaki)
Joined: 3 years ago

Active Member
Posts: 17

@mrj I understand. I have around 7000kms and almost 2 years in it. For now I never had to replace anything. 
I did however customized it a lot. ( https://www.youtube.com/watch?v=ufcVpWvYsVM)
Last changes are I raised significantly the handlebars for a straight position. Oh I changed the controller for a custom one. 

But I really don't like this rear shock absorber so I am trying to find other experiences from those who did. So far I found none so I guess I will do the guinea pig 😉 

I don't know what the ideal weight would be to absorb, so I guess an absorber with gas would be good, but the ones I find are 300 euros ..

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(@totofaki)
Joined: 3 years ago

Active Member
Posts: 17

@bvzijverden Can you share the DNM MR-AR 270mm with gas reference ? Can't seem to find it. Did you made the change ?

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Posts: 17
(@totofaki)
Active Member
Joined: 3 years ago

So I did the change for this one :
STONEDER 270mm 350LBS DNM MK-AR

https://www.amazon.fr/gp/product/B07MG3XYLJ/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

 

The result are amazing, however :

1) the stopper needs to be redone to be sure the saddle does not touch the fender

2) because of this, it is not possible to weight more that 80kgs / 176 lbs, and no seocnd passenger.

Other than that it is like being on a flying carper.

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