I use these on my S1...

https://www.amazon.com/gp/product/B074CBYVX4/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B07ZRWGX8R/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B00KJXFUD0/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

I may have a large blackburn bag I will sell for $25. Took it off to make room. I'll have to double check my parts.