CBR 929 Jack up kit

5276 Views 12 Replies 2 Participants Last post by SteveGreen27, Mar 8, 2010

SteveGreen27

Discussion Starter · Mar 7, 2010

Hi all,

I'm quite tall at 6'3" and find when leaning into a corner and trying to hook my outer knee under the tank I can't quite fit my knee under. Even dropping my heel as low as I can doesn't allow it to hook under. If I move my toes to the outside of the peg I can just about hook my knee under.
Would a jack up kit give me the extra gap between peg and tank to allow me to get my knee locked under??? Also would the turn in be too quick for the road??

Have any of you got experience of jack up kits?

Would some tank grip pads be a better option as the increased friction would give me the confidence that my knee won't slip??

Thanks.

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BurtonF166

· #2 · Mar 7, 2010

get adjustable rear sets and lower them.

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SteveGreen27

Discussion Starter · #3 · Mar 7, 2010

Would that not reduce ground clearance to the peg when the bike is cranked over??

The rearsets I've found in the past only seem to offer adjustment back and/or up not down.

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BurtonF166

· #4 · Mar 7, 2010

sure it would, slightly of course, but its alright to scrape your pegs :eyebrows:**

**obviously to some degree.

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SteveGreen27

Discussion Starter · #5 · Mar 8, 2010

Gille rearsets don't move down. Are you aware of any that do?

I like the idea of a jack up kit as it will speed up the steering as well as slightly improve the looks but lifting the tail slightly. If it also allows me to comfortably get my knee under the tank that it's all good. I just don't want to make the bike handle badly or dangerously. Has anyone here ever fitted a jack up kit to any bike??

BurtonF166 said:
sure it would, slightly of course, but its alright to scrape your pegs :eyebrows:**

**obviously to some degree.

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BurtonF166

· #6 · Mar 8, 2010

sorry, ive never heard of a jack up kit.

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SteveGreen27

Discussion Starter · #7 · Mar 8, 2010

Hyperpro Jack Up Kit - CBR 900 Fireblade - FREE UK DELIVERY

They're basically just revised rear shock linkages.

BurtonF166 said:
sorry, ive never heard of a jack up kit.

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BurtonF166

· #8 · Mar 8, 2010

cool!

But now im confused.

Raising the bike higher off the ground makes sense, but your knee will remain in the same location as before in reference to the tank...right? Since the entire body, including pegs, seat and tank are raised.

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SteveGreen27

Discussion Starter · #9 · Mar 8, 2010

Good point

Doh!

The seat will be higher relative to the swingarm but as you say the distance from peg to tank will be identical.

Looks like rearsets and some tank grip pads are the way to go.

BurtonF166 said:
cool!

But now im confused.

Raising the bike higher off the ground makes sense, but your knee will remain in the same location as before in reference to the tank...right? Since the entire body, including pegs, seat and tank are raised.

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SteveGreen27

Discussion Starter · #10 · Mar 8, 2010 (Edited)

Here is a pic of a 929 that has had a jack up kit fitted. It's quite a subtle change the the rear height but look good.

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BurtonF166

· #11 · Mar 8, 2010

It is subtle indeed, hardly visible, just rear height like you said.

Good luck on sorting that out!

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SteveGreen27

Discussion Starter · #12 · Mar 8, 2010

Thanks very much and thanks for your responses.

BurtonF166 said:
It is subtle indeed, hardly visible, just rear height like you said.

Good luck on sorting that out!

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SteveGreen27

Discussion Starter · #13 · Mar 8, 2010 (Edited)

Compared to stock.

The gap from rear tyre to seat sub frame shows the slight clearance increase. Also the seat angle is tilted forward.

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