The product of several years of effort. Designed to be light, rugged and maintenance free. Virtually silent due to our proprietary elastomeric guides. DIRT 100 WINNER! 7075 T6 is 7 times stronger than lexan, almost twice as strong as 6061 T6 AluminumAvailable in both ISCG & ISCG '05 versionsAvailable in 32t-36t or 36t-40t versions32t-36t - 176g36t-40t - 205g (weight includes bash ring & hardware)100% machined from solid 7075 T6 aluminumComes with stock Flo Green slidersReplacment Sliders in Black, White, Blue, Red sold seperately