
Beefy Metal Motorcycle Fork Stem Mount Base With 1 Inch TPU Ball For Stem Holes 12mm To 25.4mm Includes Dual Spacer Set For 12 To 18.5mm And 18.5 To 25.4mm Compatible With RAM Mounts B Size 1 Inch Ball Double Socket Arm
Beefy Metal Motorcycle Fork Stem Mount Base With 1 Inch TPU Ball For Stem Holes 12mm To 25.4mm Includes Dual Spacer Set For 12 To 18.5mm And 18.5 To 25.4mm Compatible With RAM Mounts B Size 1 Inch Ball Double Socket Arm
Original: $41.38
-65%$41.38
$14.48The Story
✔️ Includes single unit with spacer set for 12-18.5mm and 18.5-25.4mm tubes
This rugged metal base clamps to the motorcycle fork stem and provides a secure 1 inch ball mounting point for accessory arms. It’s designed for tube diameters from 12 mm to 25.4 mm and works with a B size double socket arm for RAM-style mounts. Pre-install check uses a minimum tube depth of 38 mm and spacers ensure a snug fit.
✅ 1 in TPU ball base fits B size double socket arms✅ Tube diameter range 12 mm to 25.4 mm (0.47 in to 1.00 in)
✅ Includes spacer set for 12-18.5 mm and 18.5-25.4 mm tubes; only one spacer size at a time
✅ Anti-theft bolt design with dedicated wrench for secure tightening
✅ Minimum tube depth 38 mm (1.50 in) required for proper engagement
💡 What is a fork stem base with a 1 inch ball used for on motorcycles?
Handy mounting solution for securing devices to the fork stem.
- fork stem base mounting for motorcycle accessories on the fork - compatible with B size double socket arms and 1 inch ball - supports tube diameters 12 mm to 25.4 mm with spacers and minimum depth 38 mm
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
✔️ Includes single unit with spacer set for 12-18.5mm and 18.5-25.4mm tubes
This rugged metal base clamps to the motorcycle fork stem and provides a secure 1 inch ball mounting point for accessory arms. It’s designed for tube diameters from 12 mm to 25.4 mm and works with a B size double socket arm for RAM-style mounts. Pre-install check uses a minimum tube depth of 38 mm and spacers ensure a snug fit.
✅ 1 in TPU ball base fits B size double socket arms✅ Tube diameter range 12 mm to 25.4 mm (0.47 in to 1.00 in)
✅ Includes spacer set for 12-18.5 mm and 18.5-25.4 mm tubes; only one spacer size at a time
✅ Anti-theft bolt design with dedicated wrench for secure tightening
✅ Minimum tube depth 38 mm (1.50 in) required for proper engagement
💡 What is a fork stem base with a 1 inch ball used for on motorcycles?
Handy mounting solution for securing devices to the fork stem.
- fork stem base mounting for motorcycle accessories on the fork - compatible with B size double socket arms and 1 inch ball - supports tube diameters 12 mm to 25.4 mm with spacers and minimum depth 38 mm






















