Billet CNC knuckles and arms with optimized design and all double shear connections provide low weight and high strenght

Minimum 420 mm (380mm when stock upper spring seat is notched)

7kg and at the same time can hold 5-6G of load peak at tire contact patch on 1100kg car

and you have a serious boost

Depending on the rim diameter the recommended backspacing is 150-160mm (7" ET45

JR Wheels JR30 21x10,5 ET15-45 5H BLANK Matt Black CB: 74,1 JR31 Billet CNC knuckles and armsPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x127, 5x130 ET: 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45