hi. jus finish night cycling with my frens. anyway i got a question to ask...
during the night cycling, my chain came out twice, once in front and once at the back. both time is when im shifting gears at a slope. so, is it normal? or issit something somewhere is too loose? anyway i juz bought my bicycle recently and haf only rode on it like 3-4 times.
the shifters are
DERAILLEURS-F/R Shimano TZ30 42, 31.8 / Sram ESP
DERAILLEUR(FRONT) Shimano TZ30 42, 31.8 mm
DERAILLEUR(REAR) Sram ESP.
can some advise me? thanks in advance.
during the night cycling, my chain came out twice, once in front and once at the back. both time is when im shifting gears at a slope. so, is it normal? or issit something somewhere is too loose? anyway i juz bought my bicycle recently and haf only rode on it like 3-4 times.
the shifters are
DERAILLEURS-F/R Shimano TZ30 42, 31.8 / Sram ESP
DERAILLEUR(FRONT) Shimano TZ30 42, 31.8 mm
DERAILLEUR(REAR) Sram ESP.
can some advise me? thanks in advance.
You can ask tatsit for comments on the bike.
Cannot tahan. 
