590 mm / 26 x 1 3/8 tires (aka 650A or EA3) This is the size used on most 3-speed bikes. Also used on department-store 10 speeds and some specialty bicycles made for smaller riders.

The affordable Michelin WorldTour is an approved 650A city and touring tire featuring a fast rolling multi-purpose tread. The tire is made with the approved Protek rubber compound, resistant against ozone, UV radiation, temperature fluctuations and solvents on the road.

2024年3月17日 · The “common” 26 inch, found on mountain bikes and balloon-tire cruisers, has a bead seat diameter (basically, the innermost tire diameter, where it meets the inside of the rim) of 559 mm. The size known as 26″ x 1 3/8″ has a bead seat diameter (B.S.D.) of 590 mm, 31 mm wider in diameter of the common 26 inch tire.

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2020年6月14日 · I recently bought an old bike that has 650A wheels. I was wondering what the widest tire I could get on these rims would be. Particularly, whether 650B tires (i.e. 42-584) would fit. I expect that this would not work, but any advice would be appreciated.

2013年7月11日 · Tire Type: Clincher Tire ; Size: 26 1 3/8 1 1/2, 650A 38 ; Model: Lander / Work / School Car ; Applications: Touring / Commuter ; Bead: Wire Series / Model: Col de la V Lander / 8W650A-A. Color: Black / American Side ›

Continental Gatorskin Tires feature puncture resistant casing and wear optimized tread. PolyX Breaker features an extremely resistant polyester fiber that’s woven tightly crosswise. A high fabric density is achieved which makes the breaker resistant not only to foreign bodies, but especially to ­punctures, without reducing rolling resistance.