IRC Formula pro light tubeless,240g + Spada Oxygeno, 1150g

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policedutchdog
Posts: 16
Joined: Fri Apr 10, 2009 4:50 pm
Location: USA

by policedutchdog

IRC available direct at IRCtiresUSA.com. They have distribution from southern California.


Scott

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pholcus
Posts: 47
Joined: Tue Nov 13, 2007 10:15 pm

by pholcus

After 7 months and 3500 km, I replaced the IRCs Pro light for RBCC, more suitable to wet conditions. Wheels are perfect after a trueing after 300 kms, I used them everyday, and they're really good: light, fast rolling, aero i s ok with few spokes. hubs are a piece of art, never had issues, really smooth, plus I love straight pull.

thisisatest
Shop Owner
Posts: 1980
Joined: Sat Jun 13, 2009 4:02 am
Location: NoVA/DC

by thisisatest

i tried to go to their website...
turns out it's IRCtireUSA.com. "tire" should not be plural.
thanks for the tip, police.

btw, anyone have a true width measurement of the tire? formula pro light tubeless... dang, that's a long name.

pholcus
Posts: 47
Joined: Tue Nov 13, 2007 10:15 pm

by pholcus

Irc RBCC are almost 25 mm on Stan Alpha 340 rim, which is known to enlarge a bit tire width. (RBCC is 700x23 C)

I bet Pro Light is the same, don't want to put it on again to take size :D
Attachments
RBCC size (Medium).jpg

kulivontot
Posts: 1163
Joined: Sun May 16, 2010 7:28 pm

by kulivontot

Anyone find a distributor for these tires yet? IRCTireUSA.com does not list any current dealer information in the US, just links for dealers to sign up. Someone mentioned a distributor in SoCal that could source these tires, can you share the contact information?

kulivontot
Posts: 1163
Joined: Sun May 16, 2010 7:28 pm

by kulivontot

Apparently you can buy these tires on Amazon now, they're like $80/ea now.
I randomly got a pair from some amazon seller who sold them for $46/ea with free shipping. I was 99% sure I was getting scammed but sure enough they arrived!
A little disappointed though, they came in heavy at 258g apiece :-|

sovereign
Posts: 103
Joined: Mon Sep 05, 2011 1:59 am

by sovereign

pholcus wrote:Irc RBCC are almost 25 mm on Stan Alpha 340 rim, which is known to enlarge a bit tire width. (RBCC is 700x23 C)

I bet Pro Light is the same, don't want to put it on again to take size :D


After reading your post and others stating how wide the IRCs measure I picked up some 23mm RBCCs. I mounted them on DA 9000 C24 wheels and with a digital caliper they measure 23.25mm. The SA 340 rim has an internal width of 17mm (I believe) vs. 16mm for the C24. The IRC are actually the narrowest 23mm tire I have measured. Others are at least over 24mm on C24 wheels. I wanted these to be even closer to 25mm than Schwalbe. Oh well.

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