Easily extend your current 36t cassette to 40 or 42t cassette. Simply remove your 17t sprocket to make room for your expansion sprocket. Teeth: 40 or 42t. Colour: Black, blue or red.
1x MTB Bike 11 Speed 9-42T Cassette XD Sprocket Lightweight Cassette Freewheel
Bike Flywheel Cassette Spacers Sprocket Bike Hub Washer Flywheel Gasket UK STOCK
Gusset Single Speed Cassette Cog/Sprocket 1/2 X 3/32" HG Splined
Shimano CS-M8000 XT Cassette - 11T Sprocket/Cog - Type BS/BT/BU
Shimano Altus 8 Speed Bicycle Cassette Cycling Sprocket CSHG31 11/32
Shimano CS-M8000 XT Cassette - 15T Sprocket/Cog - Type BS/BT/BU - Y1RK15000
