Special nut M12x1.25 mm coupling/transmission motor Beta 521 The special nut M12x1.25 mm is specifically designed for the coupling and gearbox of the Beta 521 engines. Be the first to review this item Product detailsReviews Product details Nut, M12x1.25x6 mm for the gearbox and clutch for the following mopeds with Beta 521 engine: Cilo Cross 521 & 512Pony Cross 521Pony GTX 521 Reviews Be the first to review this item There are no reviews yet Customers who bought this item also bought Motorex Moped-Getriebeoel Cilo Automat, 4.5 dl CHF 12.90 * Clutch 1st gear, complete Beta 512/521, original CHF 119.90 * Kupplungsdeckeldichtung Beta 521, Original CHF 4.50 * Tachokabel Transval 720mm, schwarz, Original CHF 17.90 * Clutch shoes 1st and 2nd gear Beta 521, original CHF 79.00 * Clutch pressure plate Beta 521, original CHF 28.90 * Clutch spring Beta 521, original (piece) CHF 13.75 * Spring cover Pony Cross/GTX (Beta 512/521), original CHF 2.60 * Cockpit-Oberteil, leer KTM GP30/Pony GTX (Beta 521), Original CHF 2.70 * Roller bearing 24x32x5 mm Beta 521 CHF 49.70 * Abzieher für Ritzel M24x1.5 Pony Beta 521 CHF 46.90 * Cable clamp screw for brake cable Pony/Cilo CHF 3.50 *