B1 Competition Tube 650x18-23 60mm



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Michelin B1 Comp butyl tube:

Manufactured with a high quality, very elastic butyl rubber to Michelin's precise uniformity standards, these tubes are optimized for enhanced rolling efficiency. Each one is precisely sized for uniformity and elasticity and to allow for the lightest weight possible.

Size: 650c x 18-23 with 52mm Presta valve
Weight: 66 g.

Model Number
Item Code
B1 Competition Tube 650x18-23 60mm