HPI Racing 101270 CVD Shaft Set Bullet MT 3.0 / ST 3.0 / ST Flux /MT Flux Drag Slash Parts This is the Hitec HS-5086WP

This is the Hitec HS-5086WP Waterproof Digital Micro Servo

This is a Set of HO Scale Lumberjacks from Woodland Scenics

Woodland Scenics A2752 O Train Figures Bicycle Buddies

they're a wear item worth checking whenever your drivetrain starts to feel less responsive than it used to

Because the spline pattern is cut specifically to match JR servo output shafts

HPI Racing 101270 CVD Shaft Set Bullet MT 3.0 / ST 3.0 / ST Flux /MT Flux Drag Slash Parts This is the Hitec HS-5086WPHPI Racing 101270 CVD Shaft Set Bullet MT 3. 0 ST 3. 0 ST Flux MT Flux This is the Bullet 3. 0 CVD Shaft Set For the HPI Racing Bullet Series FEATURES: Steel construction INCLUDES: Two CVD shafts