Rear sprocket Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Rear sprocket This topic has 1 reply, 2 voices, and was last updated 3 years ago by ♠️ MARCEL. Viewing 1 reply thread Author Posts Aug 8, 2021 at 12:08 AM #6074 npanitaMember Topics: 3Replies: 0 I bought a new front and rear sprocket. Can someone please tell me what size the 6 nuts and 6bolts are holding rear sprocket on? Also what size bolt (need to buy sockets) is holding on front sprocket on 2017 GD250r thanks in advance Aug 10, 2021 at 12:31 AM #6095 ♠️ MARCELAdmin Topics: 44Replies: 2,351🌍 Country: UK⚡ Bike Model: GT Front Sprocket Nut = M27 SOCKET Rear Sprocket Bolts = M8 x 40mm (ish) and Nylock M8 Nuts. Use stainless. // Meditation doesn't mean you have to sit still.... Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In // SHARE THIS //Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pocket (Opens in new window)MoreClick to share on Telegram (Opens in new window)