All Shells are for BSA (English) thread 68mm Width unless otherwise indicated.


Pressed BB Shells.
731 - 31.7x28.6x22.2mm. 61/63°



 		 SPIANATO - 28.6x28.6x30/17mm
61/63°


 		 THRON - 31.7x28.6x29.5/18mm
60/64°. Suits Chain Stays
Columbus CRM214OV

 		 832 - 22.2mm Round
Chain Stay Ports Only


 
 
560 - 28.6x28.6x22.2mm.
Pressed Shell. Road Angles
 Italian Threads.
573 - 31.7x28.6x22.2mm.
Pressed ATB shell. Italian.
 


Machined BB Sleeves
BB Sleeves. Mild Steel.

BBSleeve73.38 - 38.1OD x 73mm Width
BBSleeve68.38 - 38.1OD x 68mm Width
BBSleeve73.44   - 44mm ODx73mm










 
Best Quality Italian Cromo Sleeve
No Holes
597. 39mm OD
597-73 73mm Wide  39mm
597-83 83mm Wide  39mm
 596 No Holes. Italian
With Holes
 597H With 28.6 Seat Hole 39mm
619 With 4 Vent Holes. 39mm

Other Brand
594 Cromoly No Holes 40mm OD
 XCRBB 39.5mm. 304 Stainless



 		 BMX Sleeve. Mild Steel.
55.1mm OD - 51.5mm ID

 


 

 

 

 


 

  

 

B.Sleeve. Front Sleeve for Bushnell
Eccentric 66mm Width 53.95mm ID

SB.Sleeve. Front Sleeve for S.Eccentric Eccentric. 68mm Width. 55.1mm ID. Requires Builder to Split Sleeve and braze on clamping binder bosses
(eg Art 2280)











 

 

Bottom Bracket Eccentrics



Bushnell Eccentric
  Fits B.Sleeve above
Full 1/2" Throw

 		 S.Eccentric Aluminium Eccentric 55mm OD. 1/2" Plus Throw H.Eccentric Aluminium Eccentric 54mm OD. Haden Type