GRK GLOBAL RWD reduction gear adapter

JAN code:
4562456366278
Item code:
R31W269
Maker price:
\2,420 JPY
Sale price:
\2,250 JPY
Manufacture:
R31WORLD
Weight:
12g
Categories:
GRK driving relationship
It is an adapter (spur gear holder) for using the new 10T to 12T slow gear for rear deceleration.