Bike Forums - View Single Post - Build question on BB and crankset

07-15-15 | 12:49 PM

#9

SquidPuppet

Calamari Marionette Ph.D

Joined: Dec 2013

Posts: 7,861

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From: Coeur d' Alene

Bikes: 3 Chinese Gas Pipe Nerdcycles and 2 Chicago Electroforged Boat Anchors

Quote:

Originally Posted by mrblue

The UN-54 isn't designed for a track bike. It's so the chainline will still be within tolerance (is that the right word?) for a 2 and 3 chainring crankset. If you're using a JIS crankset, Miche makes a 110mm BB (this is a pretty recent phenomenon--it seems everyone is still wrapping their heads around the fact that the newer Miche cranks are JIS and not ISO).

Miche Primato Track Pista Bottom Bracket 110mm English JIS [1913A00200000] - $29.00 Velomine.com : Worldwide Bicycle Shop, fixed gear track bike wheelsets campagnolo super record vintage bike

Ah, that answers my question, thanks.

Actually, for this particular OLD oddball bike, the offset helped me get closer to a perfect chainline while keeping the Q factor as centered as possible.

Last edited by SquidPuppet; 07-15-15 at 12:54 PM.

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