Proper frame preparation is very important. The HTR-1 combines reaming and facing the head tube to create a perfect fit for most sizes of head cups. Includes 30.1 mm reamer (part #751.2) and four different size pilots (29.8mm, 30.0mm, 33.8mm, and 36.8mm) Quick-release, quick-adjust feature: bottom portion slides off and on easily without threading SHIS terminology: The HTR-1 as the stock will face frames of EC29, EC30, EC34 and EC37. It will ream frames of EC30. Accessories will allow service to other standards. Proper frame preparation is very important. The HTR-1B combines reaming and facing the head tube to create a perfect fit for most sizes of head cups. HTR-1B comes with a reamer of 33.9mm for the 1-1/8 inch headset standard. Includes 33.9mm reamer (part #754.2), and four different size pilots (29.8mm, 30.0mm, 33.8mm, and 36.8mm) Quick-release, quick-adjust feature: bottom portion slides off and on easily without threading SHIS terminology: The HTR-1B as the stock will face frames of EC29, EC30, EC34 and EC37. It will ream frames of EC34. Accessories will allow service to other standards Note: Always use cutting fluid such as Park Tool CF-2 when machining.
