Key hammer weights (1 octave) for Roland digital pianos, brand new from Syntaur!

Set of replacement hammer weights, 1 octave, for Roland digital piano. This kit contains 7 white and 5 black key hammers. These parts have long been discontinued by Roland, but Syntaur has now manufactured improved versions of these hammers! (Single hammer weights are available on our site.)

A broken key hammer is usually the cause of a key that suddenly feels clunky, or won't return to is normal 'rest' position. These hammers were used in most Roland digital pianos from the 1990's and early 2000's, including: A-90, A-90 EX, FP-1, FP-8, FP-9, HP-145, HP-236, HP-237, HP-237e, HP-245, HP-2800, HP-2800G, HP-330, HP-335, HP-3800, HP-3800G, HP-530, HP-535, HP-550G, HP-555G, HP-5700, HP-730, HP-7700, KF-90, KR-370, KR-375, KR-570W, KR-575, KR-770, RD-500, RD-600, XV-88, and others.