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The Laurel Cyclery is OPEN curbside for pick-up of repairs, online sales and for purchase of in-stock parts and accessories. If the door is locked, knock and we'll come out to assist you. For your safety and ours, please wear a mask. To schedule bike repair, check out our online appointment system. Questions? E-mail us at

CST Standard Presta Butyl Tube

CST Standard Presta Butyl Tube
27.5 x 1.90 – 2.125
Please select options


- Standard .97mm wall thickness butyl tube
- Most popular CST tube for general-purpose riding

Part Numbers

Option UPC MPN
Presta / 27.5 x 1.90 – 2.125 06933882568778 IB80050300