I'm fixing up an older bike for my daughter. Since the bottom bracket seemed a little "crunchy" when turned I figured I'd pull it apart and do the clean and lube routine.
Had no problems getting it apart, but when I was turning out the adjustable cup I noticed it didn't have the little holes in its face that take a pin spanner tool to hold the cup in place when doing the final reinstall adjustment. Instead, this cup has a pair of shallow "flats" just proud of the flat face of the cup that look to take (I'm guessing) some sort of special wrench to hold the cup in place. Maybe you could use a large adjustable wrench here to hold the cup but it seems likely that the "grip" wouldn't be very good because the flats are so small.
Anybody familiar with this setup and can tell me if a special wrench is needed for reassembly?
I'm fixing up an older bike for my daughter. Since the bottom bracket seemed a little "crunchy" when turned I figured I'd pull it apart and do the clean and lube routine.
Had no problems getting it apart, but when I was turning out the adjustable cup I noticed it didn't have the little holes in its face that take a pin spanner tool to hold the cup in place when doing the final reinstall adjustment. Instead, this cup has a pair of shallow "flats" just proud of the flat face of the cup that look to take (I'm guessing) some sort of special wrench to hold the cup in place. Maybe you could use a large adjustable wrench here to hold the cup but it seems likely that the "grip" wouldn't be very good because the flats are so small.
Anybody familiar with this setup and can tell me if a special wrench is needed for reassembly?
I've used a crescent wrench on such a beast with little difficulty. FWIW, if you're in Norte America--Nashbar's got both their nice English Bottom cartridge bracket and handle'd BB spline tool on sale. get 'em both for under $20. (assuming her bike has the proper threading)
I'm fixing up an older bike for my daughter. Since the bottom bracket seemed a little "crunchy" when turned I figured I'd pull it apart and do the clean and lube routine.
Had no problems getting it apart, but when I was turning out the adjustable cup I noticed it didn't have the little holes in its face that take a pin spanner tool to hold the cup in place when doing the final reinstall adjustment. Instead, this cup has a pair of shallow "flats" just proud of the flat face of the cup that look to take (I'm guessing) some sort of special wrench to hold the cup in place. Maybe you could use a large adjustable wrench here to hold the cup but it seems likely that the "grip" wouldn't be very good because the flats are so small.
Anybody familiar with this setup and can tell me if a special wrench is needed for reassembly?
Most use the Raleigh format at 16mm or 5/8 of an inch or 5/16 WW. Try a 16mm cone wrench if clearances are tight. In a pinch you can span the arm with an adjustable wrench and turn the crank. It won't properly engage the flats but it will spin the cup. -- Andrew Muzi <www.yellowjersey.org/> Open every day since 1 April, 1971 ** Posted from http://www.teranews.com **
I'm fixing up an older bike for my daughter. Since the bottom bracket seemed a little "crunchy" when turned I figured I'd pull it apart and do the clean and lube routine.
Quoted message said:
Had no problems getting it apart, but when I was turning out the adjustable cup I noticed it didn't have the little holes in its face that take a pin spanner tool to hold the cup in place when doing the final reinstall adjustment. Instead, this cup has a pair of shallow "flats" just proud of the flat face of the cup that look to take (I'm guessing) some sort of special wrench to hold the cup in place. Maybe you could use a large adjustable wrench here to hold the cup but it seems likely that the "grip" wouldn't be very good because the flats are so small.
Quoted message said:
Anybody familiar with this setup and can tell me if a special wrench is needed for reassembly?
I've used a crescent wrench on such a beast with little difficulty. FWIW, if you're in Norte America--Nashbar's got both their nice English Bottom cartridge bracket and handle'd BB spline tool on sale. get 'em both for under $20. (assuming her bike has the proper threading)
You're right. Upon further review it looks like an adjustable wrench *will* grab those flats; they're not as shallow as I thought.
If this was going to be anything more than a "1 year" bike I'd spring for the Nashbar goodies.
