Kenda S-6 Tire 26''x1-3/8''x1-1/4'' Steel Bead (Black) Unicycle This tire is NOT compatible

This tire is NOT compatible with 26" x 1 3/8" (590 ISO) rims

The VelociRaptors are legendary mountain bike tires

the Shimano HG37 Tourney Freewheel makes an ideal replacement

Inverted tread design and knurled tread surface is low-profile and fast

Precise and consistent HyperGlide shifting performance

Kenda S-6 Tire 26''x1-3/8''x1-1/4'' Steel Bead (Black) Unicycle This tire is NOT compatibleThe Kenda K23 S 6 tire is a great replacement tire for older 3 speed Schwinn bicycles. 26" x 1 3 8" x 1 1 4" (37 597 ISO) size. This is an obscure size found on some Schwinn bicycles from the 1960's and 70's. This tire is NOT compatible with 26" x 1 3 8" (590 ISO) rims, nor with 26" (559 ISO) mountain bike rims. Match the ISO measurement on the sidewall of your current tire for proper compatability.