• ORIGINAL SHIMANO 20 TEETH HUB GEAR SPROCKET USED WITH THE ALFINE GEAR HUB, BUT COULD BE USED ON OTHER 3 TAB INTERNAL HUB GEAR OR COASTER BRAKE SYSTEMS EG: SRAM, STURMEY ARCHER, OR OTHER
• DRILLED CENTRE FOR CHAIN PROTECTOR GUARD FITMENT IN CASE YOU NEED IT ( CHAIN PROTECTOR NOT SUPPLIED)
• SUITABLE FOR 3/32 OR 1/8” CHAIN
• WEIGHT 55 GRAMS APPROX

CODE: S500