What V4 track upgrades for $15K?

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Greetings,
As a followup to my thread asking if I should purchase a new V4R or a new V4S to start track riding, the overwhelming response was to upgrade a V4 with the saving vs. buying a V4R.
So be it, that's the route I'll take.
What bike-build components would you recommend purchasing with the $15K "savings" between the R and the V4 non-S ?
Within reason, I'd prefer to make component purchases 1-time, and avoid the additional expense of up-grading that component later as my skills improve.
For now, let's focus on just 3 categories:

Suspension -
  • Forks: Ohlins (FRG 301, 250) , Mupo (SuperBike 46), K-Tech, Bitubo, etc.
  • Shocks: Ohlins (TTX GP), Mupo (AB1 EVO), K-Tech, Bitubo, etc
Wheels - BST, Thyssenkrupp, etc.
Exhaust (and map) - Akra, Spark, SC, etc.

All manufacturers and their components are up for consideration.

Thanks for your suggestions!
 
What's your pace? If mentioned in the other thread, I haven't read it.

Any ohlins aftermarket would suffice. Plenty of support available everywhere. Mupo might be better but setup support isn't as readily available as ohlins is. If you tinker with your setup and understand suspension, sbk mupo is probably a better option if it fits the budget. Matching shock for either brand.

Akra is obviously the ducati supported exhaust but the spark is starting to catch interest. If you're going full custom tune and want something different, go spark. Most aftermarket exhaust systems are gonna be similar unless you're chasing fractions of a second.

If your pace isn't fast enough to justify those costly mods, still get them but maybe invest in some track lessons/classes and tinker with the stock setup but I'm assuming if you were considering an R to track, you're already pretty quick. If not, let me have some money.
 
OZ Forged wheels
K-tech fork internals
K-tech shock
Spark half exhaust system (check noise levels, they do a very good single exit system)
SLR Handheld flash device
Race fairings
Raceseat.it race seat
Spider rearsets
Spider clipon bars
Quick release fuel cap
Renthal soft grips
Spider engine protection
Spider/JetPrime throttle tube
Rad guards
Sidestand blank dongle
Headlight blank dongle
Stomp grip

Bonus bits:
JetPrime switch gear
Sprint air filter
Spider one piece rear wheel nut
Sitta quick change sprocket holder
Assorted Sitta Sprockets
520 chain - tsubaki
520 front sprocket
Linear shock linkage (although 2022 bike may not need this)
Spare set of OZ forged wheels (although stock original wheels can be used in the wet)
SBS DS brake pads - absolutely the best available. Absolutely the most expensive. Last two or three times longer than Z04
Evap block off kit
Air bleed blank plates and dongle
Folding brake and clutch lever
Brake lever guard

Single sided paddock stand
Headstock paddock stand
Under fork stand
Footpeg stand

I would recommend keeping the ABS, it is excellent. If you race the bike, you will need to change the lines to the calipers.
 
What @RickD996 listed above is a good list. Keep in mind he lives in the UK so if you are in the US, some of the brands he recommends may not be as readily available. I would add/change his list for one or two things:

  1. Tires. Pirelli SC1/2/3 slicks based on what tracks and what time of the year you ride.
  2. Battery - ditch the stock battery and go small lithium - shorai or antigravity or whatever you like. Easy and inexpensive way to ditch a few lbs from up top.
  3. Levers - again, based on preference. Rizoma, Evotech etc.
  4. Triple clamps. The V4s love more trail, especially as you start getting faster. IMA makes a very good adjustable kit, Forsaken also makes a set. Evoltech may also?
  5. Brake pads are very personal so unless you already have a lot of track time and have developed a preference, you may want to try a bunch and then see which ones "feel" right. Rick seems to like the SBS DS, but I do not. I run SBS DC on my light weight bike and also my Triumph 675R, but I find they don't have enough bite for the mass/speed of the V4. For the big bikes I prefer Ferodo Cpro or XRAC (when Cpro is not available). Again, no right answer.
  6. Starlane corsaro or Aim solo 2 DL or comparable lap timer. Once you get moving, you will want to know what times you are running where, so invest in a high quality GPS lap timer and mount. If you really want to do it right, get the Ducati engine harness to overlay some engine data on lap times.
  7. An OBD-2 adapter for the DDS plug and a high quality BT code reader. The bike has a ton of electronics and will throw codes, you need to know what they are and have a way to clear them.
Welcome to the group, see you around.
 
Last edited:
Akra Exhaust or Termi
Woolich Tune
Ohlins FKR carts
Ohlins DU 468 w/ Graves Pneumatic collar
OZ wheels
Domino Throttle
Spider RearSets
Tank Ext
Race Seats It seat

Also just look at my bike
 
There's certainly more than 15k worth of items I could add to the bike, but for now I would like to focus on the just the options for Suspension, Wheels and Exhaust/Tune.
Thanks to those who have contributed so far, and I'm still interested in hearing more options/opinions before finalizing the order later this week.
 
Is this for track days or for race? If only for track days you don't really need a lot of upgrades, money better spent on coaching, riding and consumables IMO
 
Hi JR, the bike/build is only for track days, and funds have been set aside for other items like coaching, track time, etc.
Just looking for more input as to specific items to purchase in the Suspension, Wheels and Exhaust/Tune. categories.

Perhaps to narrow it down I could ask for suggestions on just the wheels to start, so let's try this:

BST or Thyssenkrupp or Rotobox?
 
I'm not in the carbon wheel camp but why don't you like them?

The commonly held belief is that carbon wheels don't crash very well. Metal wheels can be bent back and reconditioned but carbon cannot (though finding a reputable shop that reconditions metal wheels AND does a good job is not an easy task, and when you add the cost of re-powdercoating, most metal wheels that get mangled in a crash get replaced altogether, just like carbon). This is for a race bike that is going to go down sooner or later. If for a street bike, carbon is just fine and I wouldn't hesitate one bit. They are every bit as durable for pot holes and such as any other wheel.

Shops will also not touch carbon wheels to do tire changes. They are afraid of marking the wheels and being held liable for structural damage. Most of this is BS and legacy thinking. Carbon wheels are not prone to marking or damage while mounting any more than metal wheels.

I run carbon wheels on one of my track bikes and would do that again without hesitation.
 
I have had them no issues. ther cool and light but oz alum are pretty much just as light now, and they look better and for me if you look at wsbk grid you dont see them. I like my bike to look factory - sstk version of factory but still
 
What @RickD996 listed above is a good list. Keep in mind he lives in the UK so if you are in the US, some of the brands he recommends may not be as readily available. I would add/change his list for one or two things:

  1. Tires. Pirelli SC1/2/3 slicks based on what tracks and what time of the year you ride.
  2. Battery - ditch the stock battery and go small lithium - shorai or antigravity or whatever you like. Easy and inexpensive way to ditch a few lbs from up top.
  3. Levers - again, based on preference. Rizoma, Evotech etc.
  4. Triple clamps. The V4s love more trail, especially as you start getting faster. IMA makes a very good adjustable kit, Forsaken also makes a set. Evoltech may also?
  5. Brake pads are very personal so unless you already have a lot of track time and have developed a preference, you may want to try a bunch and then see which ones "feel" right. Rick seems to like the SBS DS, but I do not. I run SBS DC on my light weight bike and also my Triumph 675R, but I find they don't have enough bite for the mass/speed of the V4. For the big bikes I prefer Ferodo Cpro or XRAC (when Cpro is not available). Again, no right answer.
  6. Starlane corsaro or Aim solo 2 DL or comparable lap timer. Once you get moving, you will want to know what times you are running where, so invest in a high quality GPS lap timer and mount. If you really want to do it right, get the Ducati engine harness to overlay some engine data on lap times.
  7. An OBD-2 adapter for the DDS plug and a high quality BT code reader. The bike has a ton of electronics and will throw codes, you need to know what they are and have a way to clear them.
Welcome to the group, see you around.

Tom, about more trail

do you get some more trail by raising the bike on the front?

lowering the forks on the triple clamp?


what does it do, does the front feel more planted?

i have a 19 V4S, and turn in, is fast

but have always wished to make it feel more planted in the front
 
Hi JR, the bike/build is only for track days, and funds have been set aside for other items like coaching, track time, etc.
Just looking for more input as to specific items to purchase in the Suspension, Wheels and Exhaust/Tune. categories.

Perhaps to narrow it down I could ask for suggestions on just the wheels to start, so let's try this:

BST or Thyssenkrupp or Rotobox?
Magnesium all the way...Forget Carbon for track use...
 
I thought Mag wheels had a life span as well as carbon. Do any of the race teams use them or are they all running Ali wheels.
 

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