Bike Forums - Issues installing BB7400

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RidinSF

02-03-12 01:02 AM

Issues installing BB7400

Hey. I just picked up a NOS Shimano DA BB-7400 and I ran into an issue with installing one of the cups. I need some six pin spanner and then possibly a Park BBT-7? Can someone tell me what kind of tool is needed to install that cup? Thanks!

http://25.media.tumblr.com/tumblr_ly...fawjo1_500.jpg

redpear

02-03-12 01:07 AM

Looks like you need a tool like the park tool hcw-5 lockring spanner.

RidinSF

02-03-12 01:21 AM

Awesome. Thanks!

redpear

02-03-12 01:28 AM

I am wrong. I misunderstood that picture, sorry. Hunting right now.

redpear

02-03-12 01:32 AM

Okay, the tool you need is the HCW-4.

The HCW 5 will do the black lockring, but I think the BBT 7 will as well.

EDIT: to Clarify, the HCW 5 or BBT 7 will do that cup. The other cup will need the HCW 4.

RidinSF

02-03-12 01:50 AM

Thank you! One more thing. I have a 109mm spindle but both sides looks exactly the same. It's unmarked so I had no idea which side is which. Would it just be trial and error with chainline or did I overlook something?

hueyhoolihan

02-03-12 05:41 AM

Quote:

Originally Posted by RidinSF (Post 13803206)

it's always a matter of trial and error with me, even if i know all the dimensions of the spindle. it's just too quick and easy to swap the spindle and try again if one side doesn't work out, for me.

merlin55

02-03-12 09:12 AM

Quote:

Originally Posted by RidinSF (Post 13803206)

measure from the bearing race to the end of the spindle, the drive side is usuallly longer

RidinSF

02-04-12 04:13 AM

I'll check it out. Thanks guys!

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