RK Standard Kit Derbi SENDA 50 R X RACE 04-11 Head Light but even original Vespa 50s

but even original Vespa 50s will still pull up hills with these wheels with ease

Page 5 Part 5

Vespa - Gearbox - Upgear Kit for 125/150 with performance kit fitted

T-MAX 500 ABS (SJ03)

RK Standard Kit Derbi SENDA 50 R X RACE 04-11 Head Light but even original Vespa 50sRK Standard Kit Derbi SENDA 50 R X RACE 04 11 RK chains OE grade chain and sprocket kit Contains: Sprocket Rear RK B2127 53 JTR1131 Afam 47103 Sprocket Front RK C2143 11 JTF1129 Afam 49101 RK Chain and Sprocket Kit Box RK 420SB 130 Chain Fitments: Make Model Engine Variant Year Notes Derbi Senda 50 R X Race 2006 OE Grade Chain Kit Derbi Senda 50 R X Race 2007 OE Grade Chain Kit Derbi Senda 50 R X Race 2008 OE Grade Chain Kit Derbi Senda 50 R X Race