Schwalbe Air Plus Tube - 27.5 x 2.1 - 3 40mm Presta Valve MFPN=BB19BSA8330 }Shimano Dura-Ace RD-R9250F Di2 Rear

}Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 Black

Teravails Thorn Resistant tubes feature 4mm thick butyl rubber in the tread area tapering to 2mm sidewalls

Activity Cycling Color Core Black/Gray Three/Gray Six Defined Color Black Gender/Age Mens Shoe Size (US) 12 Closure Lace

Compatible with round seat posts from 25

Schwalbe Air Plus Tube - 27.5 x 2.1 - 3 40mm Presta Valve MFPN=BB19BSA8330 }Shimano Dura-Ace RD-R9250F Di2 RearSchwalbe Air Plus Tube 27. 5 x 2. 1 3 40mm Presta Valve. Air Plus tubes feature an increased wall thickness to help prevent punctures and pinch flats while maintaining air pressure better when compared to a standard tube. TECH SPECS Shaft Type Threaded Tube Compound Butyl ISO Width (mm) 53 ISO Width (mm) 54 ISO Width (mm) 55 ISO Width (mm) 56 ISO Width (mm) 57 ISO Width (mm) 58 ISO Width (mm) 59 ISO Width (mm) 60 ISO Width (mm) 61 ISO Width (mm) 62