My Japanese NJS certified bike uses an English threaded BB and a JIS size headset the euro ISO size will not fit... JIS is the important bit. there is only about 0.2mm difference between the two sizes but that'll be enough to bring on your touretts.
@4candles started
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My Japanese NJS certified bike uses an English threaded BB and a JIS size headset the euro ISO size will not fit... JIS is the important bit. there is only about 0.2mm difference between the two sizes but that'll be enough to bring on your touretts.