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Apr 5th 2018, 04:23 PM   #1
 cgt1229's Avatar
 
  Feb 2016
  Bellingham

  Suzuki
Dunlop KR 106 125/80/17 front slick?

Picked up a 04 track only gsxr 750 that came with a front slick in the above dimensions, with a date code of 09. Former Wmrra rider bike, the rear is a KR 108 195/65/17.

Just curious what the club racers and A group riders think these sizes accomplish and what the odd sizes do for the bike?

I'm not planning on running slicks or tire warmers at a mid-low B group pace.
Just beginning to research tires and the Q3+'s, Pirelli Corsa's, Bridgestone S-21's come up as possibilities. Any intel anyone cares to share?

I rode some unknown used S-21's 2 days in a row at Chuckwalla CCW in March on an unfamiliar rental 08 Ninja 600 bike, with tire warmers in the morning, though I heard that's unecessary to use them. The 2nd day (warmer day) the tires were squirming all around only on left handers and finally bucked me out the seat in turn 9 at the end of the back straight at moderate pace.

I've only ridden street tires on my old 35 year old dinosaur on the track, so semi modern bike tire choices are all new to me. Honestly, the street tires worked well, but the heat cycles seem to effect performance if the weather changes, like a wet day after a dry spell.
Apr 5th 2018, 05:05 PM   #2
 bumblebeetuna's Avatar
 
  Feb 2016
  Bothell

I believe there is a mail in rebate if you buy a "set" of "Q3's" right now. 50 bucks. Deal ends on the 30th.

Those should work great for you and the price is hard to beat (never ridden on em but friends love them for track use). Ridden on the street version of the corsa's and liked them, price diff is about 200 bucks though.
Apr 5th 2018, 05:37 PM   #3
 unicykle's Avatar
 
  Sep 2017
  milwaukie oregon

  gsxr600 gsxr750 gsxr1000 i like gsxrs
First number is a measurement of tread width across tire generaly 750 and largercc bike come with a 190 or 200 series tire, second number is the percentage of heigth to width ratio so as this number gets bigger The tire Gets theoretically more pointy third number is wheel size.

Generaly a 190 or 200 serries Tire Turns slower than say a 180 or 160 serries but they have less rubber on the ground.

The second nuber as it gets higher affects The profile and the turning charistics. So they can make a 190 or 200 tire more Like a 180 in profile and quicken the turn in buy going from a 50 to a 55 or 60 serries

So many choices but what ate You going to do all track or some street?

Edited by unicykle on Apr 6th 2018 at 05:53 PM
Apr 5th 2018, 06:58 PM   #4
 cgt1229's Avatar
 
  Feb 2016
  Bellingham

  Suzuki
All track, the bike has no dash, lights or spare street stuff, so not riding on the street.
Think stock called for 180 rear (5.5" rim), not sure on side aspect 2nd number, but was just wondering why he used different tire numbers.

I do have a dunlop front and pirelli rear on the dinosaur, so maybe Q3+'s would be a good choice as far as feel? Don't have a deep wallet, usually get about a year out of street/track tires on the old bike, but maybe this is unrealistic on a newer/still old trackbike.
Apr 5th 2018, 07:32 PM   #5
 Burphel's Avatar
 
  Jan 2016
  Travelling around the NW

  Triumph Bonnezilla, Little Ninja
Tire warmers are cheaper than an ambulance ride. If you're on the fence, get a cheap single temperature set and take good care of them.
Apr 5th 2018, 07:45 PM   #6
 unicykle's Avatar
 
  Sep 2017
  milwaukie oregon

  gsxr600 gsxr750 gsxr1000 i like gsxrs
Quote:
Originally Posted by cgt1229
All track, the bike has no dash, lights or spare street stuff, so not riding on the street.
Think stock called for 180 rear (5.5" rim), not sure on side aspect 2nd number, but was just wondering why he used different tire numbers.

I do have a dunlop front and pirelli rear on the dinosaur, so maybe Q3+'s would be a good choice as far as feel? Don't have a deep wallet, usually get about a year out of street/track tires on the old bike, but maybe this is unrealistic on a newer/still old trackbike.
I drove up and looked At that bike from kirkland right? Wouldnt
Worry so much about the tire specs at this Point your probaly
Not Going to be able To tell the difference it really doesn't affect handling Very much. Choosing a good Tire that Fits Your needs is important,i personally look at extra grip like a buffer zone for Me To make mistakes and tires Are Cheaper Than repairs so i like the best/sticky Tires i can afford. I like tires shaped Like a V and not a U for a track tire and opposite For a street tire, its hard to go rong with dunlop or pirelli slicks or DOTRace or track street versions. The good track tires come from specific track tire vendors and they usualy have the best prices, but do your reseach it can be tricky like with pirelli the same tire In the sp inst near as good as the sc and with bridgestone the r10 is better than the rs10 and so on, take your time and know what Your buying.

Edited by unicykle on Apr 5th 2018 at 07:49 PM
Apr 5th 2018, 08:25 PM   #7
 
  Jan 2016
  Redmond, WA

Dunlop rebate is $100 until the 10th of April. Means you can get a set of 120/180 Dunlop Q3+ at Optimum Performance Motorsports in Kirkland for $200. Rebate is only valid from a Dunlop Pro Dealer.
Apr 5th 2018, 10:13 PM   #8
 cgt1229's Avatar
 
  Feb 2016
  Bellingham

  Suzuki
Quote:
Originally Posted by alanjtc73n
Dunlop rebate is $100 until the 10th of April. Means you can get a set of 120/180 Dunlop Q3+ at Optimum Performance Motorsports in Kirkland for $200. Rebate is only valid from a Dunlop Pro Dealer.
Sounds like I need to do that then. Thanks for the heads up.

Burphel as far as tire warmers, it seems that might encourage me to push harder than I need/want to. I'm just a recreational trackday enthusiast.

Uni, did you really drive up from Oregon just to look at it, in the 20hrs posted or heard about beforehand? Manual did have a Ommra sticker in it, OPRT too.
Apr 6th 2018, 05:31 AM   #9
 Tripledij's Avatar
 
  Jan 2016
  Custer WA

  Aprilia Tuono 1100
Quote:
Originally Posted by alanjtc73n
Dunlop rebate is $100 until the 10th of April. Means you can get a set of 120/180 Dunlop Q3+ at Optimum Performance Motorsports in Kirkland for $200. Rebate is only valid from a Dunlop Pro Dealer.

That about figures. I just got a set of Q3+ and got the $50 rebate. I haven't even installed them yet.

Oh well, still a good deal on some great tires.
Apr 6th 2018, 06:49 AM   #10
 unicykle's Avatar
 
  Sep 2017
  milwaukie oregon

  gsxr600 gsxr750 gsxr1000 i like gsxrs
Quote:
Originally Posted by cgt1229
Sounds like I need to do that then. Thanks for the heads up.

Burphel as far as tire warmers, it seems that might encourage me to push harder than I need/want to. I'm just a recreational trackday enthusiast.

Uni, did you really drive up from Oregon just to look at it, in the 20hrs posted or heard about beforehand? Manual did have a Ommra sticker in it, OPRT too.
Yes i drove up, he didnt tell me about the bad stuff like dented tank, brake master cylinder either need ing a bleed or replacement, no dash and i was looking for something just a little cleaner it ran awsome and should make A solid Track bike just wasnt for me, was a solid adventure tho watched the sun rise in some rest stop out of Tacoma and walked The waterfront in seattle with my little dog, had some good food and beat the crap out of a rental hemi. Tire Warmers and a cheap genset are a great Investment good track tires need Heat To work and can be a bit sketchy without it, warmers give you a confidence and you get About 20 more hot laps a track day with out the 2-3 lap warm up each session
Boatdriver likes this.
Apr 6th 2018, 08:04 AM   #11
 Boatdriver's Avatar
 
  Jan 2016
  Washington

  16' Tuono Factory, 08' GSXR 1K Track, 15' Kawi Concours
Quote:
Originally Posted by cgt1229
Sounds like I need to do that then. Thanks for the heads up.

Burphel as far as tire warmers, it seems that might encourage me to push harder than I need/want to. I'm just a recreational trackday enthusiast.

Uni, did you really drive up from Oregon just to look at it, in the 20hrs posted or heard about beforehand? Manual did have a Ommra sticker in it, OPRT too.
I will also attest to the quality, grip and durability of the Q3's I have put down a lot of track miles on them and will continue to use them in the future. The only time that I found them getting squirmy was near the end of their track use life (I'm the official trackday back marker of group 3/A for reference). Just give them a lap or two to get some heat in them and you're good to go. For the last couple of years I have been running Dunlop slicks with warmers, which I have decided to move away from this year.

Edited by Boatdriver on Apr 6th 2018 at 08:08 AM
Apr 6th 2018, 06:32 PM   #12
 cgt1229's Avatar
 
  Feb 2016
  Bellingham

  Suzuki
Quote:
Originally Posted by Boatdriver
I will also attest to the quality, grip and durability of the Q3's I have put down a lot of track miles on them and will continue to use them in the future. The only time that I found them getting squirmy was near the end of their track use life (I'm the official trackday back marker of group 3/A for reference). Just give them a lap or two to get some heat in them and you're good to go. For the last couple of years I have been running Dunlop slicks with warmers, which I have decided to move away from this year.
Appreciate the intel, the Q3+'s are sitting in the garage now, waiting to be mounted, had a family member pick them up for me on the way up to B'ham.

Pretty much used to easing into the session to get the tires warm, so that won't be an issue. Actually it would be strange to pull out of the pits, and start railing straightaway.

Any bites on the sale of ur litre bike?
Apr 6th 2018, 06:36 PM   #13
 cgt1229's Avatar
 
  Feb 2016
  Bellingham

  Suzuki
alanjtc73n,

Thanks for the timely advice about a rebate, excited to get some new rubber on a bike I've never ridden yet. Whoop!
Apr 6th 2018, 06:48 PM   #14
 Boatdriver's Avatar
 
  Jan 2016
  Washington

  16' Tuono Factory, 08' GSXR 1K Track, 15' Kawi Concours
Quote:
Originally Posted by cgt1229
Appreciate the intel, the Q3+'s are sitting in the garage now, waiting to be mounted, had a family member pick them up for me on the way up to B'ham.

Pretty much used to easing into the session to get the tires warm, so that won't be an issue. Actually it would be strange to pull out of the pits, and start railing straightaway.

Any bites on the sale of ur litre bike?
Not yet. Rolling out of the pits on already hot tires is pretty exciting though.
Apr 6th 2018, 07:13 PM   #15
 unicykle's Avatar
 
  Sep 2017
  milwaukie oregon

  gsxr600 gsxr750 gsxr1000 i like gsxrs
Quote:
Originally Posted by Boatdriver
Not yet. Rolling out of the pits on already hot tires is pretty exciting though.
Might i ask why your moving away from slicks and warmers?
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