How do I tell if wheelspin?

[FlightRisk]

The other morning I came round a tight bend in second gear, straightened up and pinned it. Instead of launching up the road the revs spiked and there may have been some sort of judder, I don't clearly remember.

At first I thought clutch slip but after today riding on clean roads that actually grip it's come home to me how incredibly greasy it's been for the last while, and also it was a cold morning, cold tyres, maybe I just spun up the back wheel. How do you tell if your rear wheel is spinning?
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Honda CB500S

[Nobby the Bastard]

[Albigularis]

If it is wheel spin you will almost always feel some sideways movement like so - https://youtu.be/2Mwstw_h4Kg
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Biking history so far-
Aprilia RS125 - Kawasaki ZXR400 - Triumph Street Triple R - Suzuki GSXR1000 L3 - BMW R1200GS - Kawasaki Z1000 - Kawasaki ZX10R C1H - Ducati Multistrada 1200 S Touring - Suzuki Hayabusa

[Ste]

Do it again and see what happens.

[c_dug]

I had a great one the other day in very similar circumstance, it's just the time of year. If you're upright and steering straight it's a pretty harmless event.
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I am a bellend, I am a man of constant sorrow, I am a gummy bear, I am a rock.

[Accuhaler]

How do you hold the clutch? Do you rest on it, or let go and grasph the grip, when not shifting gear.

[Andy_Pagin]

[lukamon]

[Rogerborg]

[Andy_Pagin]

[Ste]

Kilt lifters!

(in b4 Scottish ban hammer throwing)

[talkToTheHat]

Try not to do it banked over yeah? But you did the right thing by not panicking and chopping the throttle or stabbing a brake. That would have caused much hurt.

Was busy yesterday back and forth across town on national drive like you hate your significant other but are rushing to find discount flowers and chocolates or will die trying day, trying to get out of a side road into 40mph traffic, went for a gap and the rear spun up and kicked out as I put the power on. Brief feeling of impending doom before the bike sorted itself out. Turned a bit tighter than planned but pointing in the right direction. Happened again the next two times I left that junction significantly more carefully so I assume there is a patch of something slippery and invisible that we are all to repressed to report because its next to the cemetery and the only people who hoon around outside cemeteries are in meatloaf videos.
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Bandit. does. everything.

[el_oso]

one I had the other day

https://youtu.be/tiCcrZDCUv8
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Duke 390
Previous: '05 XR125L | '96 XJ600S Diversion |'05 Suzuki GSXR1000 | '05 Honda CBR125-R | '97 YZF 600R Thundercat | '11 Honda CBR250
Car: Jeep Wrangler 4.0L

[Copycat73]

[stevo as b4]

Doesn't a few 1000miles of biking experience allow everyone to get a feel for what the machine and the tyres are doing? What else can you mistake wheelspin for either on a bike or in the car?

I was going to call Troll on this thread, as I cannot belive OP asked such a question seriously?

Maybe he needs to do some off road riding to gain experience if he is really that de-sensitised as to what his road bike is doing underneath him?

[FlightRisk]

[Beehive Bedlam]

I spun the rear wheel a couple of times on my new bike in the rain forgetting I was no longer on my Varadero and didn't have to ring its neck.

[Commuter_Tim]