ebay - Nice GT 4130 crankset.

[MADJEZ]

Ooh I'm sure I've seen these used on MTBs. yum.

http://cgi.ebay.co.uk/GT-BmX-4130-C...Cycling_Parts_Accessories&hash=item3a6448792e

 

[merckx]

yep, i know a guy who used to run them on his LTS, he was an ex bmx guy so had a hard time letting go of the beefy crank thing.. nice cranks!

 

[FMJ]

Ooh I'm sure I've seen these used on MTBs.

Sort of. Those are for a pressed in BMX bottom bracket. You need the MTB cups to run those in a threaded bottom bracket.