The phrase "although cumbersome" is correct and usable in written English.
It can be used to introduce a contrast or exception, typically when discussing something that may be difficult or unwieldy but still has value or importance.
Example: "The process is effective, although cumbersome, requiring several steps to complete."
Alternatives: "despite being unwieldy" or "even if it's awkward".
Although cumbersome and impractical, the suit protected a pilot from forces of 6 G's or more when the downward pressure on the water caused by acceleration created enough force to counteract the downward rush of blood in the body.
Although cumbersome, this hypothesis was widely accepted, and Mangelsdorf and Beadle sparred publicly for years.
There is no cure, but the vaccine, although cumbersome to produce, is highly effective: A single dose confers lifelong protection.
Although cumbersome, the need for individual treatment during cutting offers the advantage of allowing observations in single worms which, thereby, can serve as the natural units for both qualitative and quantitative results, and makes it possible to reveal variations among the individuals as well as to carry out proper statistics for morphometry.
Although cumbersome forms are a normal part of Japanese culture, the detail-oriented Sakurai has gone even further, to the chagrin of many residents.
In this regard, microdissection, although cumbersome, has certain advantages over other methods of isolating populations of cells such as FACS.
Analog, although more cumbersome and costly than its digital equivalents, provides a richness of experience that is unparalleled with anything delivered through a screen.
The value, it would seem, would be the difference in the cost of the wire-transfer fees less transaction cost of the cybercurrency unit, which isn't that much -- and in some cases, the wire-transfer could actually be less expensive, although more cumbersome.
Trains have been shown to be a powerful invariant of triple systems although somewhat cumbersome to compute.
Long-term selection experiments with diatoms, coccolithophores and cyanobacteria are feasible, although more cumbersome than those with Chlamydomonas, which grows faster and reaches greater densities.
Although more cumbersome and less replicable, the OGTT is the most robust but underused diagnostic standard for diabetes in Asian Americans.
