Cush Core Gravel/CX Tire Insert - Single One Color, 700c X 33-46mm
Cush Core Gravel/CX Tire Insert - Single One Color, 700c X 33-46mm, An ultra-lightweight insert that reduces fatigue, improves cornering, and helps prevent flats.*Note: For 650b or 700c Gravel wheels with a 47c tire or wider choose the 27. 5 (650b) or 29 (700c) XC model.