Bikeyoke Barkeeper 31.8mm Reducer Sleeves YGroup_7033711493165 The Wolf Tooth Components Tanpan

The Wolf Tooth Components Tanpan allows any bike running road style shifters to work with Shimano Shadow Plus Clutch type derailleurs

Materials: Constructed from both hardened alloy steel and stainless steel with a matte onyx finish

Does it fold up for storage: Yes folds down

but it was built tough

Bikeyoke Barkeeper 31.8mm Reducer Sleeves YGroup_7033711493165 The Wolf Tooth Components TanpanThese reducers allow the use of handlebars with a 31. 8mm clamping diameter in our Barkeeper stem, which is normally designed for 35mm handlebars. Weight: 19g pairNote: These sleeves were specifically designed for the BikeYoke Barkeeper stem. Other stems were not checked for compatibility. Stem not included.