Exhibit 8.1

Principal trading subsidiaries of the Company as at December 29, 2007

Details of the Companys principal
trading subsidiaries as at December 29, 2007 are set out below. Each entity is wholly owned by the Group unless otherwise stated.



|                                          |  |                         |  |                                                |  |           
|----------------------------------------- |  | ----------------------- |  | ---------------------------------------------- |  | ----------
|Industrial & Automotive                   |  |                         |  |                                                |  |           
|                                          |  |                         | 
|Dexter Axle Company Inc                   |  | (USA)                   |  | Gates Unitta Power Transmission (Shanghai) Ltd |  |           
|Dexter Chassis Group Inc                  |  | (USA)                   |  | (ordinary shares  51% owned)                  |  | (China)   
|Eifeler Maschinenbau GmbH                 |  | (Germany)               |  | Gates Unitta Power Transmission (Suzhou) Ltd   |  |           
|Epicor Industries Inc                     |  | (USA)                   |  | (ordinary shares  51% owned)                  |  | (China)   
|Formflo Ltd                               |  | (UK)                    |  | Gates Unitta (Thailand) Company Ltd.           |  |           
|Gates GmbH                                |  | (Germany)               |  | (ordinary shares  51% owned)                  |  | (Thailand)
|Gates SAS                                 |  | (France)                |  | Gates Winhere Automotive Pump Products         |  |           
|Gates Argentina SA                        |  | (Argentina)             |  | (Yantai) Co Ltd                                |  |           
|Gates Australia Pty Ltd                   |  | (Australia)             |  | (ordinary shares  60% owned)                  |  | (China)   
|Gates do Brasil Industria e Comercio Ltda |  | (Brazil)                |  | Plews Inc                                      |  | (USA)     
|Gates Canada Inc                          |  | (Canada)                |  | Schrader SAS                                   |  | (France)  
|Gates Europe NV                           |  | (Belgium)               |  | Schrader Bridgeport Brasil Ltda                |  | (Brazil)  
|Gates Fleximak Ltd                        |  | (British VirginIslands) |  | Schrader-Bridgeport International Inc          |  | (USA)     
|Gates (India) Private Ltd                 |  | (India)                 |  | Schrader Electronics Ltd                       |  | (Northern 
|Gates Korea Company Ltd                   |  |                         |  | Schrader Engineered Products (Kunshan) Co Ltd  |  | (China)   
|(ordinary shares  51% owned)             |  | (Korea)                 |  | Stackpole Ltd                                  |  | (Canada)  
|Gates Mectrol Inc                         |  | (USA)                   |  | Standard-Thomson Corporation                   |  | (USA)     
|Gates Polska S.p.z.o.o.                   |  | (Poland)                |  | Stant Manufacturing Inc                        |  | (USA)     
|Gates PT Spain, SA                        |  | (Spain)                 |  |                                                |  |           
|The Gates Corporation                     |  | (USA)                   |  |                                                |  |           
|Gates Rubber Company (NSW) Pty Ltd        |  | (Australia)             |  |                                                |  |           
|Gates Rubber Company (Singapore) Pte Ltd  |  | (Singapore)             |  |                                                |  |           
|Gates de Mexico SA de CV                  |  | (Mexico)                |  |                                                |  |           
|Gates Rubber (Shanghai) Co Ltd            |  | (China)                 |  |                                                |  |           
|Gates (U.K.) Ltd                          |  | (Scotland)              |  |                                                |  |           
|Gates Unitta Asia Kabushikikaishu         |  |                         |  |                                                |  |           
|(ordinary shares  51% owned)             |  | (Japan)                 |  |                                                |  |           
|Gates Unitta Asia Trading Company Pte Ltd |  |                         |  |                                                |  |           
|(ordinary shares  51% owned)             |  | (Singapore)             |  |                                                |  |           
|Gates Unitta India Private Company Ltd    |  |                         |  |                                                |  |           
|(ordinary shares  51% owned)             |  | (India)                 |  |                                                |  |           
|Gates Unitta Korea Company Ltd            |  |                         |  |                                                |  |           
|(ordinary shares  51% owned)             |  | (Korea)                 |  |                                                |  |           
|                                          |  |                         | 
|Building Products                         |  |                         |  |                                                |  |           
|                                          |  |                         | 
|Air System Components Inc                 |  | (USA)                   |  | Philips Products Inc                           |  | (USA)     
|Aquatic Industries Inc                    |  | (USA)                   |  | Ruskin Company                                 |  | (USA)     
|Hart & Cooley Inc                         |  | (USA)                   |  | Ruskin Air Management Ltd                      |  | (UK)      
|Lasco Bathware Inc                        |  | (USA)                   |  | Ruskin (Thailand) Co Ltd                       |  | (Thailand)
|NRG Industries Inc                        |  | (USA)                   |  | Selkirk Americas LP                            |  | (USA)