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


Pressed BB Shells
.


SPIANATO
- 28.6x28.6x22.2mm
61/63
731 - 31.7x28.6x22.2mm. 61/63
731 has half moon scoop cuts into ports

 
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


BB2005 - Steel Bottom Bracket Shell, BB30 x 1.875'' OD x 68 mm Wide

Best Quality Italian Cromo Sleeve
No Holes
597N 38.1mm OD
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
597H-318 With 31.8 Seat Hole
619
With 4 Vent Holes. 39mm

Other Brand

594 Cromoly No Holes 40mm OD
 XCRBB 38.1mm. 17/4 Stainless. No holes
597-100 100mm Wide. 38.1mm 4130 steel. No Holes
 
BB Sleeves. Mild Steel.

BBSleeve73.38 -
38.1OD x 73mm Width
BBSleeve68.38 -
38.1OD x 68mm Width
BBSleeve73.42   - 42mm ODx73mm 












 

BB30. Sleeve for 68mm
PF30. Sleeve for 68mm width






 

 

 

 


 

 

 

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