Adapter Front 15mm Thru to 9mm QR COMPATIBILITY: This tool is used to install/remove the freewheels with 12-spline, 22.6mm tool fittings including Shimano, Sachs Aris, SunRace, DNP Epoch and other 5–8 speed freewheels.EASY TO USE: Use with 21mm wrench/socket or 1/2" drive. Due to its thin wall design, removal of the locknuts and cones is not required.BUILT TO LAST: Made of high-quality heat treated steel for improved durability and longer service life.SPECS: Spline: 12 splines. Outer Diameter: 22.6mm. Weight: 59g=0.13lbs. BUILT TO LAST Made of high-quality heat treated steel for improved durability and longer service life. COMPATIBILITY This tool is used to install/remove the freewheels with 12-spline, 22.6mm tool fittings including Shimano, Sachs Aris, SunRace, DNP Epoch and other 5–8 speed freewheels. EASY TO USE Use with 21mm wrench/socket or 1/2" drive. Its thin wall design makes the job easier without removal of the locknuts and cones. YC-122A YC-120B YC-121A YC-126C Add to Cart Buying Options Add to Cart Buying Options Customer Reviews 4.6 out of 5 stars 201 4.3 out of 5 stars 67 4.6 out of 5 stars 232 — Price $11.98$11.98 — no data $9.98$9.98 — no data Tool Type Freewheel Freewheel Freewheel/ Cassette Lockring Cassette Lockring Tool Fitting 12 Internal Splines. 22.6mm Outer Diameter 12 Internal Splines. 20mm Outer Diameter 12 Internal Splines. 22.8mm Outer Diameter 12 Internal Splines. 23mm Outer Diameter Features 1/2" driver & 21mm spanner 23mm spanner 24mm spanner 24mm spanner Typical Brands & Models Shimano, Sachs Aris, SunRace, DNP Epoch and other 5 to 8 speed freewheels Shimano old standard freewheels Shimano, Sachs Aris, SunRace, DNP Epoch and other freewheels and Cassette Lockring Campy Additional Features N/A N/A For axle maximum 13mm Guide pin for quick-release style hubs YC-126-1A YC-126-6A-10 YC-126-6A Add to Cart Add to Cart Add to Cart Customer Reviews 4.7 out of 5 stars 587 4.7 out of 5 stars 587 4.7 out of 5 stars 587 Price $9.99$9.99 $11.98$11.98 $10.99$10.99 Tool Type Cassette Lockring/Disc Brake Cassette Lockring/Disc Brake Cassette Lockring/Disc Brake Tool Fitting 12 Internal Splines. 23.4mm Outer Diameter 12 Internal Splines. 23.4mm Outer Diameter 12 Internal Splines. 23.4mm Outer Diameter Features 1/2" driver & 24mm spanner 1/2" driver & 24mm spanner 1/2" driver & 24mm spanner Typical Brands & Models Shimano, SRAM, SunRace, SunTour, Chris King, etc. cassettes, Shimano disc brakes Shimano, SRAM, SunRace, SunTour, Chris King, etc. cassettes, Shimano disc brakes Shimano, SRAM, SunRace, SunTour, Chris King, etc. cassettes, Shimano disc brakes Additional Features Guide pin for quick-release style hubs Guide pin for quick-release style & 10mm thru-axle hubs Guide pin for quick-release style & 12mm thru-axle hubs Who Are We? BICYCLE EXPERTS We design and develop premium bicycle parts and accessories. WIDE SELECTION With more than 2000 high quality and great value products, you will always find what you need. QUALITY PRODUCTS All the products we stock are carefully selected from factories in the cycling industry. PRODUCT VIDEOS Our team are working hard to try add videos of all the products we are selling. This will allow customers to have a visual image of the products and learn how to use it before purchasing.