https://sheldonbrown.com/handsup.html..
I used A BBB BHP 21 [From NL] to use on my too short suspension fork , NB its a transportation bike not gnarly down hill bike..
I bought the whole bike, used, so it was worth sorting that detail out.. (now 10 years ago)
http://static.webshopapp.com/shops/0...-254-zwart.jpg
looking it up, new their SRP is just $300 buy a new one ..
https://www.sram.com/rockshox/produc...40s636bxq8lmne
.