Problem Solver Headtube Reducer Reduces 37mm to 34mm (1-1/4" to 1-1/8" headset) Black Tool Kits use PK-6502

use PK-6502

The Atlas 35 stem was designed to reduce overall system weight while retaining the proven stiffness and performance the Atlas line is known for

139279-Q0-L

Manufacturer Part Number: AM3ATIN60

160693-Q0-L

Problem Solver Headtube Reducer Reduces 37mm to 34mm (1-1/4" to 1-1/8" headset) Black Tool Kits use PK-6502Problem Solvers Headtube Reducers adapt your headtube to accommodate different fork sizes. These reducers are designed for traditional, external cup headsets. Product Specifics Today's Stock Status Currently not available UPC: 708752010963 EAN: Not available Manufacturer Part Number: HDTUBE REDUCER 37 34 HD9900 186374 Q0 L