In looking at the 1st and 3rd stock photos, the tread pattern does not match. Which is correct?

Dear valued Amazon Customer, The 1st and 2nd photo show the correct tread pattern of the tire. The third one is an error and we will correct that as soon as we can. Thank you for pointing it out to us! If you have additional questions about the Panaracer Gravel King SK Folding Tire- call us at 1-877-BIKEAID (245-3243) and we would be pleased to assist. Thanks again and best!

Are these clinchers or are they tubless only?

They are clinchers. They're not officially tubeless (except the 40mm) but I have been riding them both ways. You can always mount a tubeless tire with a tube, if you're looking at the 40s.

My rims are 21mm wide. Will the 700x32 tires fit on that rim?

Hello, the ISO size for this tire is 32-622. Please compare to your previous tire to ensure a proper fit. If you have additional questions about the GravelKing SK+, please contact us and we would be pleased to assist. Thanks and best!

Item Diameter	7E+2 Millimeters
Brand	Panaracer
Tire Type	Clincher
Item Width	1.9 Inches
Bike Type	Gravel Bike
Warranty Type	No Warranty
Material	Rubber
Tensile Strength	60 Pounds Per Square Inch
Global Trade Identification Number	04931253018404
Size	27.5 x 1.90
Number of Items	1
Color	Black
Manufacturer	Panaracer Corp
Item Package Dimensions L x W x H	13.66 x 7.24 x 3.86 inches
Package Weight	0.62 Kilograms
Item Dimensions LxWxH	27.56 x 1.9 x 27.56 inches
Item Weight	1.3 Pounds
Brand Name	Panaracer
Warranty Description	Limited
Model Name	PANA-GK-SK
Suggested Users	unisex-adult
Part Number	RF650B48-GKSK-P-B
Model Year	2018
Style	Plus
Included Components	Tire
Sport Type	Cycling

Panaracer GravelKing Slick Folding Gravel Tires

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