Stans NoTubes Crest MK4 Rim – 27.5 Disc Black 32H. The Crest MK4 combines the heritage of Stans legendary tubeless design with todays best materials and a stronger asymmetric design. The BST Asymmetric rim design allows for a stronger wheel while offering the easy inflation and Stans trademark unmatched airtight seal. The Crest MK4 rim is optimized for 40mm Gravel tires and up to 2.3 mountain tires making it a great versatile choice for a wide range of bikes and riding styles.

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