Maypole Knott Type Bellows – KF7.5 KF13 KF20 KF27 KRV13 KRV20 KRV30 – 2035B trialscar 3 years ago Maypole KF7.5 = 20 / KRV13-30 Coupling Rubber Bellows. Knott Avonride Part No. 577002. Share this: Share on Facebook (Opens in new window) Facebook More Share on X (Opens in new window) X Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Share on WhatsApp (Opens in new window) WhatsApp