KENDA 24"x2.1" NPJ size concern regarding IUF standard size (618mm)

bouin-bouin · 2012-06-17, 06:57 PM

For competition in the 24" standard class, I'm using a Nimbus 24 with a Kenda NPJ 24"x2.1" tyre

At last November French championship, it was measured within the limits but recently I measured it again to compare with my daughter's 24" with a Halo Twin Rail 2.2" and now my Nimbus is significantly over the limit, around 624mm

Did you ever face such size increase with a Kenda NPJ 24"x2.1" at the same pressure around 4 bars (max pressure written on the tyre is 4.5 bar) ?

davidp · 2012-06-20, 04:48 PM

I've never used the Kenda NPJ but it is not uncommon for tire casings to stretch and grow with time and use (or even just sitting at high pressure).

2012-06-17, 06:57 PM	#1
bouin-bouin Didier Join Date: May 2008 Location: France in Europe (Le Chesnay - Yvelines) Age: 47 Posts: 339	KENDA 24"x2.1" NPJ size concern regarding IUF standard size (618mm) For competition in the 24" standard class, I'm using a Nimbus 24 with a Kenda NPJ 24"x2.1" tyre At last November French championship, it was measured within the limits but recently I measured it again to compare with my daughter's 24" with a Halo Twin Rail 2.2" and now my Nimbus is significantly over the limit, around 624mm Did you ever face such size increase with a Kenda NPJ 24"x2.1" at the same pressure around 4 bars (max pressure written on the tyre is 4.5 bar) ? __________________ http://monocycle.info http://teamcdkmonocycle.blogspot.com/ MUNI KH26" & KH29" both with Oracle disc brake, ROAD KH36" with KH dsic on Spirit crank my goal : a 3 geared 29" to have only one uni for all kind of rides :-)

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2012-06-20, 04:48 PM	#2
davidp Registered User Join Date: Jun 2009 Location: Chelmsford, MA Age: 33 Posts: 705	I've never used the Kenda NPJ but it is not uncommon for tire casings to stretch and grow with time and use (or even just sitting at high pressure).

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