![A set of C.E.I. (Cycle Engineers Institute) taps and dies. Used on bicycles and English motorcycles. Later called B.S.Cy. (British Standard Cycle). Up to 7/16" all threads are 26tpi. Larger sizes are A set of C.E.I. (Cycle Engineers Institute) taps and dies. Used on bicycles and English motorcycles. Later called B.S.Cy. (British Standard Cycle). Up to 7/16" all threads are 26tpi. Larger sizes are](https://i.redd.it/f9ci6eqweqt51.jpg)
A set of C.E.I. (Cycle Engineers Institute) taps and dies. Used on bicycles and English motorcycles. Later called B.S.Cy. (British Standard Cycle). Up to 7/16" all threads are 26tpi. Larger sizes are
![VEVOR Bike Cover Storage Tent, 420D Oxford Portable for 2 Bikes, Outdoor Waterproof Anti-Dust Bicycle VEVOR Bike Cover Storage Tent, 420D Oxford Portable for 2 Bikes, Outdoor Waterproof Anti-Dust Bicycle](https://img.vevorstatic.com/us%2FZXCCFPHSWBDDW1D6TV0%2Fgoods_img_big-v6%2Fbike-tent-m100-1.2.jpg?timestamp=1670935548189&format=webp)
VEVOR Bike Cover Storage Tent, 420D Oxford Portable for 2 Bikes, Outdoor Waterproof Anti-Dust Bicycle
![OMEX CEI BSC CYCLE 26 TPI TAP DIE SET 1/4" - 3/4" BOXED 24 PCS - BSA NORTON TRIUMPH : Amazon.ca: Tools & Home Improvement OMEX CEI BSC CYCLE 26 TPI TAP DIE SET 1/4" - 3/4" BOXED 24 PCS - BSA NORTON TRIUMPH : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/61L0p+sWGaL._AC_UF894,1000_QL80_.jpg)
OMEX CEI BSC CYCLE 26 TPI TAP DIE SET 1/4" - 3/4" BOXED 24 PCS - BSA NORTON TRIUMPH : Amazon.ca: Tools & Home Improvement
![1 Set Hss Right Hand Screw Tap And Die Set Bsc 9/16-20 Fixed Round Dies Straight Flute Taps For Bicycle Threads - Tap & Die - AliExpress 1 Set Hss Right Hand Screw Tap And Die Set Bsc 9/16-20 Fixed Round Dies Straight Flute Taps For Bicycle Threads - Tap & Die - AliExpress](https://ae01.alicdn.com/kf/H2a2ae15434754aba90913fec30578ec5H.png_640x640.png_.webp)
1 Set Hss Right Hand Screw Tap And Die Set Bsc 9/16-20 Fixed Round Dies Straight Flute Taps For Bicycle Threads - Tap & Die - AliExpress
![TAP DIE Set BSB BSCY Cycle 26 TPI Thread - 1/4" 5/16" 3/8" 7/16" 1/2" X 26 TPI - Hard to FIND Set : Amazon.ca: Tools & Home Improvement TAP DIE Set BSB BSCY Cycle 26 TPI Thread - 1/4" 5/16" 3/8" 7/16" 1/2" X 26 TPI - Hard to FIND Set : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/51Uys2GrYpL._AC_UF894,1000_QL80_.jpg)