Material : Aluminum Alloy Compatible:8/9/10/11 speed Outer diameter of shaft : 24mm Crank weight : About 675g Color : Rainbow Length:170mm BCD:104mm Product name: Positive and Negative Gear Disc Material:Aluminum Alloy Compatible:8/9/10/11 speed BCD:104mm Teeth:32/34/36/38t Hollow bearing shaft BC1.37''X24T hollow one-piece crankshaft, suitable for most threaded 68/73mm length frame bottom bracket;suitable for 24mm cranks NOTE :fullset rm199.90 How to Order —————— 1.Product Option: 2.Quantity: 3.Color: 4.Name: 5.Address: 6.Contact number: Send to ☎FB http://m.me/icebikeheaven ☎ http://www.wasap.my/60174204398 Sales, Order, Customer service ☎ http://www.wasap.my/60195272398 After sales/ Warranty FOLLOW US ———————— ✔ https://shopee.com.my/icebikeheaven?tab=shop ✔ https://fb.me/icebikeheaven ✔ http://www.lazada.com.my/ice-bike-heaven/ ✔ http://www.lelong.com.my/merchant/icebikeheaven.htm ✔ https://www.instagram.com/icebikeheaven37/ Buy from Us! —————————————————— 🚴🏻💯% POSITIVE FEEDBACK 🚴🏻💯% Warranty & After Sale Service 🚴🏻💯% PARCEL ARRIVAL GUARANTEED 🚴🏻💯% ❌hidden charges 🚴🏻 7️⃣ days size exchange 🆗 🚴🏻 7️⃣ days 100% 💲💲 Guarantee back ☄ Prompt response 🥇♞ Registered SSM company- Icebikeheaven 🥇 7 Years of experience