This is a virtuosic salon piece characteristic of the mid-19th-century fascination with Spanish dance rhythms. It features demanding figuration and decorative passagework typical of Kullak's pedagogical and concert writing.
The primary challenge is maintaining a consistent, dance-like pulse while navigating complex, idiomatic Romantic ornamentation.
Comparable difficulty and character — good candidates for what to learn next.
Bolero di bravura (Op.86) is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 8.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Bolero di bravura (Op.86) lasts about 6 minutes.
Bolero di bravura (Op.86) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Ballade by Theodor Kullak, Allegro di Bravoura by Theodor Kullak, Bolero by Theodor Kullak — see the full similar-pieces list on this page.