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I did tire science so you don't have to: 28mm Conti GP4000 won't fit in a 2016 Tarmac rim brake. : r/bicycling
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Universal Cycles -- Continental Grand Prix 5000 S TR Tubeless Tire - Width: 25mm, 28mm, 30mm, 32mm [01018660000, 01018670000, 01018680000, 01018690000, 01018730000, 01018740000, 01018750000, 01018760000]
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Stan's NoTubes No Tubes conversion kit for tubeless MTB tires, sealant 200 ml, tape 25 mm, valve 44 mm - MTBIKER.shop
![28mm Road Tyres on a Giant TCR Disc 2019 // Do They Fit? // Continental GP5000 28mm Clincher Tests! - YouTube 28mm Road Tyres on a Giant TCR Disc 2019 // Do They Fit? // Continental GP5000 28mm Clincher Tests! - YouTube](https://i.ytimg.com/vi/t7S6LDCJWKI/maxresdefault.jpg)
28mm Road Tyres on a Giant TCR Disc 2019 // Do They Fit? // Continental GP5000 28mm Clincher Tests! - YouTube
![Amazon.com : 2 Pack Ultralight TPU Bike Inner Tubes 28“ 700X18C/23C/25C/28C/30C/32C/35C/38C/40C/42C/45C Presta Valve 60mm with Repair Kit for Road Bicycle Tire (700 X 18/25C) : Sports & Outdoors Amazon.com : 2 Pack Ultralight TPU Bike Inner Tubes 28“ 700X18C/23C/25C/28C/30C/32C/35C/38C/40C/42C/45C Presta Valve 60mm with Repair Kit for Road Bicycle Tire (700 X 18/25C) : Sports & Outdoors](https://m.media-amazon.com/images/I/61VjTmzCRlL._AC_UF350,350_QL80_.jpg)