Convert or replace Spinlock tiller extensions with a Universal Joint. Details: Spare part for Spinlock tiller extensions fitted with diabolo joints Alternative to the E-JOINT and E-JOINTGP universal joints fitted to EA and EJ tiller Extensions Windsurf style universal joint returns the extension to a vertical position when it is not in use Used by short-handed sailors to keep the tiller extension clear from obstruction while steering by autopilot through manoeuvres Non-mechanical helm feedback preferred by some while hand steering Stiffer E-DIABOLO/J minimises ‘waving’ caused by tiller and boat motion when tiller is in vertical position Used in Mini Transat, Class 40s, Figaro, Open 60s and many other boats that are predominantly tiller steered by autopilot. Especifications: Diabolo option: Tiller extensions from the 900 series range are supplied with slimmer E-DIABOLO Tiller extensions from the 1200, 1600 series range are supplied with ‘jumbo’ E-DIABOLO/J FAQs Is E-DIABOLO compatible with EA and EJ tiller extensions?Yes. E-DIABOLO is offered as an alternative to the E-JOINT and E-JOINTGP universal joints fitted to EA and EJ tiller extensions. What is the Spinlock E-DIABOLO Universal joint used for?A spare/convertible universal joint for Spinlock tiller extensions fitted with diabolo joints. It returns the extension to vertical when not in use and offers a stiffer J version to reduce waving. Which tiller extension series use the slimmer vs jumbo diabolo?Spinlock’s 900-series tiller extensions are supplied with the slimmer E-DIABOLO; the 1200 and 1600 series are supplied with the larger E-DIABOLO/J. Does the E-DIABOLO joint self-centre (return to vertical)?Yes. The windsurf-style universal joint is designed to return the tiller extension to a vertical position when it is not in use. What issue does the stiffer E-DIABOLO/J address?The stiffer E-DIABOLO/J minimises the ‘waving’ caused by tiller and boat motion when the extension is in the vertical position. Can E-DIABOLO be used when steering by autopilot?Yes. It’s used by short‑handed sailors to keep the tiller extension clear from obstruction while steering by autopilot through manoeuvres. Does E-DIABOLO provide mechanical helm feedback?No—E-DIABOLO provides non-mechanical helm feedback that some sailors prefer while hand steering (it is not an active mechanical feedback device). What does the E-DIABOLO replace or convert on a tiller extension?It converts or replaces the universal joint on Spinlock tiller extensions (a spare part option to replace diabolo-style joints or alternatives like E-JOINT/E-JOINTGP). Who do I contact for help with installation, servicing or advice?Contact the SailRACE team — as certified marine experts we're happy to help with product selection, installation and after-sales servicing, before and after your purchase. {"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "Is E-DIABOLO compatible with EA and EJ tiller extensions?", "acceptedAnswer": {"@type": "Answer", "text": "Yes. E-DIABOLO is offered as an alternative to the E-JOINT and E-JOINTGP universal joints fitted to EA and EJ tiller extensions."}}, {"@type": "Question", "name": "What is the Spinlock E-DIABOLO Universal joint used for?", "acceptedAnswer": {"@type": "Answer", "text": "A spare/convertible universal joint for Spinlock tiller extensions fitted with diabolo joints. It returns the extension to vertical when not in use and offers a stiffer J version to reduce waving."}}, {"@type": "Question", "name": "Which tiller extension series use the slimmer vs jumbo diabolo?", "acceptedAnswer": {"@type": "Answer", "text": "Spinlock’s 900-series tiller extensions are supplied with the slimmer E-DIABOLO; the 1200 and 1600 series are supplied with the larger E-DIABOLO/J."}}, {"@type": "Question", "name": "Does the E-DIABOLO joint self-centre (return to vertical)?", "acceptedAnswer": {"@type": "Answer", "text": "Yes. The windsurf-style universal joint is designed to return the tiller extension to a vertical position when it is not in use."}}, {"@type": "Question", "name": "What issue does the stiffer E-DIABOLO/J address?", "acceptedAnswer": {"@type": "Answer", "text": "The stiffer E-DIABOLO/J minimises the ‘waving’ caused by tiller and boat motion when the extension is in the vertical position."}}, {"@type": "Question", "name": "Can E-DIABOLO be used when steering by autopilot?", "acceptedAnswer": {"@type": "Answer", "text": "Yes. It’s used by short‑handed sailors to keep the tiller extension clear from obstruction while steering by autopilot through manoeuvres."}}, {"@type": "Question", "name": "Does E-DIABOLO provide mechanical helm feedback?", "acceptedAnswer": {"@type": "Answer", "text": "No—E-DIABOLO provides non-mechanical helm feedback that some sailors prefer while hand steering (it is not an active mechanical feedback device)."}}, {"@type": "Question", "name": "What does the E-DIABOLO replace or convert on a tiller extension?", "acceptedAnswer": {"@type": "Answer", "text": "It converts or replaces the universal joint on Spinlock tiller extensions (a spare part option to replace diabolo-style joints or alternatives like E-JOINT/E-JOINTGP)."}}, {"@type": "Question", "name": "Who do I contact for help with installation, servicing or advice?", "acceptedAnswer": {"@type": "Answer", "text": "Contact the SailRACE team — as certified marine experts we're happy to help with product selection, installation and after-sales servicing, before and after your purchase."}}]}