‘23 V4S stock forged wheels vs BST wheels

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spooky said:
I've been using SC DOT tyres in SC3 compound. I'd like to try slicks at some point. How did you find the transition to slicks?
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It’s not a difficult transition to slicks, you get a little better feel for the contact patch and as long as you’re maintaining the temps and tire pressures properly, you’ll feel more confident even if you’re not pushing the bike to the limits of its traction. You will, however, become more acutely, aware of tire, temps and pressures. You feel the difference a bit more when they’re off.. You have a smaller temperature range where the tire feels really good, but within that range, it feels much better than the SC3 DOTS.

If you’re not already in the habit, check your tire pressures right before you go out for a session and immediately when you come back from the session to make sure you’re coming off track at the right tire pressures and you’ll be fine.
 
Last edited:
Steven31371 said:
It’s not a difficult transition to slicks, you get a little better feel for the contact patch and as long as you’re maintaining the temps and tire pressures properly, you’ll feel more confident if you’re not pushing the bike to the limits of its traction. You will, however, become more acutely, aware of tire, temps and pressures. You feel the difference a bit more when they’re off.. You have a smaller temperature range where the tire feels really good, but within that range, it feels much better than the SC3 DOTS.

If you’re not already in the habit, check your tire pressures right before you go out for a session and immediately when you come back from the session to make sure you’re coming off track at the tire pressures and you’ll be fine.
Click to expand...

I set pressures on the tyre warmers at 80C. When putting tyre warmers back on after a session the temperature is a little bit lower but I've spent quite some time getting the bike back in the garage, getting the bike on the stands, helmet and gloves off and getting the warmers back on, and I wouldn't say I'm the quickest at that, so that's to be expected and I would guess that pressure would be a little bit lower at that point.

From memory, I don't think they are more than 60C according to the warmers once I've put them on and plugged them in. I don't think that's a useful indication though.

I suppose I should be checking pressure immediately upon getting into the garage or have a gauge to check temperate immediately upon coming into the garage... I think a temperature probe would be quicker to use than trying to check pressures? I'm not sure how much temperature or pressure you would expect to lose from leaving the track to getting the bike in the garage? When I started last year the tyres would be quite warm to the touch after a session but in more recent session the tyres were hot enough that I couldn't leave my hand on them for long and they didn't particularly feel cooler to the touch than immediately after taking the warmers off.

I never see anything on the tyre that might indicate there is an issue with temperature or pressure and I've had people check tyre wear from time to time and I've never been told that maybe pressures are off, so I assume I'm keeping sufficient temperature in the tyres.

Obviously I'm going to have to prioritise checking pressures immediately upon getting into the garage for at least the first couple of sessions to see what's going on. I am reasonably sensitive to tyre pressures and the bike never feels like it's too low on the pressures.

I believe the SC3 compound should work with the widest temperature range of the various compounds so maybe SC3 in the slicks would be a good starting point if I want to try them.
 
spooky said:
I set pressures on the tyre warmers at 80C. When putting tyre warmers back on after a session the temperature is a little bit lower but I've spent quite some time getting the bike back in the garage, getting the bike on the stands, helmet and gloves off and getting the warmers back on, and I wouldn't say I'm the quickest at that, so that's to be expected and I would guess that pressure would be a little bit lower at that point.

From memory, I don't think they are more than 60C according to the warmers once I've put them on and plugged them in. I don't think that's a useful indication though.
Click to expand...

This (unless you pit in the middle of field next to a wind farm)

but I've spent quite some time getting the bike back in the garage, getting the bike on the stands, helmet and gloves off and getting the warmers back on
Click to expand...

doesn't explain temp drop from ~90-100C to 60C.

But what explains it is a slow pace on track.
 
spooky said:
How do the lines manage to come off the bracket? I just had a look and they seem to be very securely clamped in place (2023 V4R and 2021 SP2).
Click to expand...
An unknown on how it broke off, I agree that bracket seems pretty solid, so I would assume rough treatment or perhaps they are as "secure" as the mirrors! Learned that lesson the hard way on my 959.
 
panibadboy said:
I use RaceFoxx warmers set at 90C. Depending on ambient temp, if its summer, when I'm back temp is 95C-ish
Click to expand...

So I need to check pressure and temperature immediately. I wouldn’t expect the temperature shown immediately by the tyre warmers to be particularly accurate, but that is from quite some time after arriving at the pits and going from memory.

Any recommendations on a temperature guage?
 
spooky said:
I've been using SC DOT tyres in SC3 compound. I'd like to try slicks at some point. How did you find the transition to slicks?
Click to expand...

More consistent performance, best step I have made! Safer in any way. Warmers on 2h in the morning, set front to 2,3 and rear to 1,6 then off you go. Check directly when back in the pit for hot pressure. SC3 front and SC2 rear has been my basic setup. SC1 if I want to get some good laps, but no big difference for me.
 
spooky said:
I set pressures on the tyre warmers at 80C. When putting tyre warmers back on after a session the temperature is a little bit lower but I've spent quite some time getting the bike back in the garage, getting the bike on the stands, helmet and gloves off and getting the warmers back on, and I wouldn't say I'm the quickest at that, so that's to be expected and I would guess that pressure would be a little bit lower at that point.

From memory, I don't think they are more than 60C according to the warmers once I've put them on and plugged them in. I don't think that's a useful indication though.

I suppose I should be checking pressure immediately upon getting into the garage or have a gauge to check temperate immediately upon coming into the garage... I think a temperature probe would be quicker to use than trying to check pressures? I'm not sure how much temperature or pressure you would expect to lose from leaving the track to getting the bike in the garage? When I started last year the tyres would be quite warm to the touch after a session but in more recent session the tyres were hot enough that I couldn't leave my hand on them for long and they didn't particularly feel cooler to the touch than immediately after taking the warmers off.

I never see anything on the tyre that might indicate there is an issue with temperature or pressure and I've had people check tyre wear from time to time and I've never been told that maybe pressures are off, so I assume I'm keeping sufficient temperature in the tyres.

Obviously I'm going to have to prioritise checking pressures immediately upon getting into the garage for at least the first couple of sessions to see what's going on. I am reasonably sensitive to tyre pressures and the bike never feels like it's too low on the pressures.

I believe the SC3 compound should work with the widest temperature range of the various compounds so maybe SC3 in the slicks would be a good starting point if I want to try them.
Click to expand...

Ambient temps and the track surface are the biggest decider of compounds to use in slicks…and the rules are opposite front to back on the bike with Pirelli slicks. If it’s a very cool day you want to lean toward an SC1 front and an SC3 rear, SC2 rear if the track surface is smooth and a bit cool ambient temps.

At Chuckwallah this weekend I’m expecting temps in the low 50’s Fahrenheit in the morning and maybe 70’s F in the afternoon, so I’ll run an SC1 front and SC3 slick rear.

On hot days I like an SC2 front and SC1 rear. Will try some SC0 this season.

On cooler days especially sometimes I’ll go out and do two laps then come in and check tire pressures then go out and finish the session before I push hard in an over abundance of caution on tire pressures.

Also, 80C is a bit low for the temps on your warmers…try 86C and get pressures set right at those temps before you go out and you will probably keep more consistent temps.
 
Last edited:
Steven31371 said:
Ambient temps and the track surface are the biggest decider of compounds to use in slicks…and the rules are opposite front to back on the bike with Pirelli slicks. If it’s a very cool day you want to lean toward an SC1 front and an SC3 rear, SC2 rear if the track surface is smooth and a bit cool ambient temps.

At Chuckwallah this weekend I’m expecting temps in the low 50’s Fahrenheit in the morning and maybe 70’s F in the afternoon, so I’ll run an SC1 front and SC3 slick rear.

On hot days I like an SC2 front and SC1 rear. Will try some SC0 this season.

On cooler days especially sometimes I’ll go out and do two laps then come in and check tire pressures then go out and finish the session before I push hard in an over abundance of caution on tire pressures.

Also, 80C is a bit low for the temps on your warmers…try 86C and get pressures set right at those temps before you go out and you will probably keep more consistent temps.
Click to expand...

I’ll try a higher setting on the warmers, although I guess I really need to know the temperature after the session and the pressure as well in order to set them for the temperature I’m generating. I imagine I’ll get a feel for it after a while. SC2 front and SC1 rear seems a common recommendation. I enjoyed the SC3 DOT tyres.

My warmers allow for setting temp for tyres and for the rims and it seems good to also warm the wheels and not just the tyres.
 
Is it safe to assume that you’ll be ok on slick SC3s if you are not noticing any issues with DOT SC3 or does the tread make it that much easier to generate heat that it’s not necessarily ok to transition to slicks?

Probably over thinking it, but what’s the point of the forums if not to learn from others who’ve already been there. I’m aware that the DOT SC3 are more than enough at my pace but it’s interesting to have the info and I’m obviously curious to try slicks at some point.
 
spooky said:
Is there a particular brand and/or model that’s recommended?
Click to expand...
Mine was manufactured in the last century. It just celebrated its 40th birthday. I would think a IR heat gun would be just as good. The difference with the pyrometer is you can measure temp at the bottom of the depth holes if they're still using them on those slicks.
 
spooky said:
I’ll try a higher setting on the warmers, although I guess I really need to know the temperature after the session and the pressure as well in order to set them for the temperature I’m generating. I imagine I’ll get a feel for it after a while. SC2 front and SC1 rear seems a common recommendation. I enjoyed the SC3 DOT tyres.

My warmers allow for setting temp for tyres and for the rims and it seems good to also warm the wheels and not just the tyres.
Click to expand...

I have specially made blankets that came with my warmers that cover the whole wheel, on windy or cooler days I use those over top of my warmers.

You’ll like slicks, other than being a bit more diligent about tire pressures they aren’t much different than what you’ve been running, except you’ll feel a stable and better FEEL connection to the tarmac.

I might be imagining it, but I swear when I do a hot lap with the SC3 dot tires I can feel a bit of tread squirm that I never noticed until I switched to slicks. That contributes to a tiny bit less confidence with DOT tires on track.
 
baggerman said:
You can get close to the same lean angles on dot tires but the difference on the drive and particularly on braking will surprise you. So much better.
Click to expand...

I’ve seen a well-known person get some serious lean angles on rather ordinary tyres with a pillion on board, and I’ve no doubt that DOT’s are more than sufficient for me, but confidence counts for a lot and I’m definitely interested in trying slicks.
 

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