Thread Repair Adapter for Grip Shift Handle – Custom-Fit Fix for Broken Adjuster Threads

Frustrated by a broken grip shift adjuster thread? I was too! When my kid's Huffy 3x5 (15-speed) shifter broke, finding a replacement was nearly impossible since most bikes are 18 or 21 speed. So, I designed this custom thread repair adapter—just slide it over the remaining stub to restore the threads for your adjuster nut. ✅ Why Choose This Fix? ✔ Custom-fit – Tailored to your exact measurements✔ Easy install – No drilling or special tools required✔ Durable USA-made PETG filament 📏 How to Order: Upon purchase, send me these two measurements:1️⃣ Stub diameter2️⃣ Thread pitch I'll custom-make your adapter and send you two (a backup included!) so you can get back to smooth shifting! 🚴‍♂️ 🔧 Technical Details: My broken shifter stub measured 10.34mm with 10mm x 1.25 threads. The Amazon replacement I bought (which didn’t fit this bike) had a 9.86mm stud with 10mm x 1.0 threads. I designed the repair part with a slightly larger inside diameter (ID) for a snug, slip-on fit. No glue needed (