Take control of your day with the versatility and performance of 120mm BCD Chainring for Sram BCD120 CRANK 36T 38T 40T 42T 44T 46T 48T MTB Bike Chain 120bcd MTB Chainrings. Smart, efficient, and built to last — an essential in any collection. Browse and buy online at Keser.pl — trusted products at great prices.