Here is the thrust spring from Polini, hardness + 15% to be able to fine-tune your settings to the maximum and increase your performance. The original spring exerts 20km of pressure compressed to 50mm, this one exerts 23.5kg.
is mounted on:
BAOTIAN ECO BIKE 50 4T (139 QMB)
BAOTIAN REBEL - ROCKY - TANCO 9/12 50 4S
BSV DIO ZX 50 1994
BSV DIO ZX 50 <-1993
GARELLI FLEXI '50 4T euro 2 (1P139 QMB)
GARELLI TIESSE FOUR 50 4T euro 2 (1P39QMB)
GARELLI VIP 50 4T (139 QMA)
HONDA DIO ZX 50 2T 1994
HONDA DIO ZX 50 2T <-1993
HSC SC 01 L 50
HUPPER MONTECARLO 30 50 4T (139QMB)
KYMCO CX 50 2T
KYMCO DJ Y 50 2T
KYMCO HEROISM 50 2T
KYMCO MXer 50 2TKYMCO SNIPER 50 2T
MALAGUTI DVD 50 4T (139 QMB)
PEUGEOT BUXY 50 2T
PEUGEOT ELYSEO 50 2T
PEUGEOT JET FORCE TSDI 50 2T LC (HL 1)
PEUGEOT JET FORCE C-TECH 50 2T LC
PEUGEOT LOOXOR 50 2T
PEUGEOT LOOXOR TSDI 50 2T
PEUGEOT LUDIX 50 2T
PEUGEOT LUDIX BLASTER 50 2T LC (HL 2)
PEUGEOT METAL-X 50 2T
PEUGEOT BUXY RS 50 2T
PEUGEOT SPEEDFIGHT 2 50 2T LC 2004
PEUGEOT SPEEDFIGHT 3 50 2T (B1E 40 QMB)
PEUGEOT SPEEDFIGHT 50 2T
PEUGEOT SPEEDFIGHT 50 2T LC
PEUGEOT SPEEDAKE 50 2T
PEUGEOT SQUAB 50 2T
PEUGEOT TREKKER 50 2T
PEUGEOT V-CLIC 50 4T
PEUGEOT VIVACITY 50 2T
PEUGEOT VIVACITY COMPACT 50 2T (FB2FP)
PEUGEOT X-FIGHT 50 2T
PEUGEOT X-FIGHT 2 50 2T LC 2004
PEUGEOT X-FIGHT 50 2T LC
PEUGEOT ZENITH 50 2T
SYM DD 50 2T
SYM JET BasiX 50 2T euro 2
SYM JET SportX-S - SportX-R 50 2T euro 2 (T5C / 1)
WT MOTORS BILBAO 50 4T (PEDA 139QMB)
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