Crank arms forged and then machined from tough 7050 Alloy bracing that improves stiffness while cutting out unnecessary material and featuring our Cinch interface system for new levels of versatility – these cranks excel across many disciplines including trail, enduro and full on DH or freeride! Imagine interchangeable spiders, limitless ring combinations, a 30mm alloy spindle, and full compatibility across all relevant frame standards; all delivered with RF proven strength. PRODUCT FEATURES ~ Forged 7050 aluminum alloy arms. ~ Bracing matrix at the back of the crank arms for added stiffness. ~ Industry standard 30mm spline interface CNC machined from a commercialized aluminum super alloy that is 20% stronger than 7050 alloy (the alloy commonly used in this application). ~ Removable spider offers the ability to convert between existing chainring standards while remaining flexible to future developments. ~ The interchangeable spindle option of the Cinch system allows you to use the same crankset with 68/73mm and 83mm frames, as well as the RF BMX spindle and spider. SPECIFICATIONS & COLOURS Colour: BLACK, BLUE, GREEN, RED Built For: Trail/Enduro/DH/Dirt Jump / Slopstyle/BMX Spindle Size: 30mm Spiders: 104/64mm (boost option available), 120/80mm, CINCH Direct Mount, 104/64mm (boost option available) Chainline: Q Factors and Chainlines PDF Cinch Direct Mount: 24T, 26T, 28T, 30T, 32T, 34T, 36T, 38T, 40T, 42T (Sold Separately) BMX Race Options: BMX specific Spindle and Spider 104 BCD Weight: 690g (32T Direct Mount, without BB) BB Options (Sold Separately): BB Options PDF Size: 165, 170, 175 Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER