I ultimately want to upgrade to sixc cranks. will they work with this bottom bracket? will this bb fit a 2022 specialized rockhopper sport?

It will work if you have a threaded bottom bracket that's 68/73

Will this fit bmx bike

If the frame has a threaded bottom bracket, likely yes. If old-school press-fit type, an adapter will be required.

planning to buy one. can you recommend the tool for this product?

I recommend Race Face Cinch BSA BB Cup Tool. I also have the Park Tool BBT-79 Bottom Bracket Tool but don't like it when trying to torque the bottom bracket because the torque wrench sits too far out from the BB causing the tool to slip off the bottom bracket.

Mounting Type	Clamp-On Mount
Manufacturer	Race Face
UPC	821973349497
Global Trade Identification Number	00821973349497
Item Package Dimensions L x W x H	8.62 x 7.05 x 1.93 inches
Package Weight	0.11 Kilograms
Item Dimensions LxWxH	10 x 8 x 2 inches
Brand Name	RaceFace
Model Name	Bb Bsa 73mm 30mm Ext Seal
Suggested Users	unisex
Number of Items	1
Part Number	CR8228
Model Year	2021
Style	Does Not Apply
Included Components	Raceface
Outer Material	Synthetic
Size	standard size
Sport Type	Sport

RaceFaceCinch BSA Threaded Bottom Bracket

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