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The Rapha Blum Insulated Cup is a vacuum-insulated stainless steel tumbler made for cyclists and commuters. It keeps drinks hot for up to 5 hours and cold for up to 8 hours, and its shape fits a standard bottle cage. A spill guard and non-slip silicone base make it practical on the move. Rivals like the Klean Kanteen TKWide and Yeti Rambler hold more and seal fully with a lid, but few are built to slot into a bike cage. Owners like the build and the cage fit; some find the capacity small for long rides.
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Lowest price we've seen: $41.99 on Nov 9 at BSTN. Tracked across 1 store since Nov 9.
Riders and commuters praise the insulation and the bottle-cage fit. Some wish it held more and sealed tighter for tossing in a bag.
This is a vacuum insulated cup made of stainless steel, in grey. It keeps drinks hot for up to 5 hours and cold for up to 8 hours.
The cup has a spill guard for safe storage on the go and a non-slip silicone bottom. It fits in a bottle cage. It is dishwasher safe and easy to clean.