WS 29 TR309s BST XD 28/28 The TR 309 S combines the flawless ride quality we're known for and the durability you've come to expect. No matter your budget, wheels will still be the most important upgrade you make to your bike. Our asymmetric carbon rim evens out spoke tension for a more durable and predictable ride. The 30mm internal rim width provides excellent tire fit and provides additional air volume for superior ride quality and traction Front Hub - 15x110 Rear Hub - 12x157 WEIGHT: 1635G Set SPOKLES: F28/R28 RIM TYPE: Tubless Clincher COMPATIBILITY: SRAM XD Part Number: 78757 Barcode: 847863019677 Product Code: REY WS 78757