Shimano GRX FC-RX610-1 38T BMX Bicycles Strong enough to eliminate tough-to-clean

Strong enough to eliminate tough-to-clean grime and debris

the new Maxxis Assegai is built to go fast everywhere

from hardpack to loose and soft

When tackling challenging terrain

DUB™ bottom bracket adds durability

Shimano GRX FC-RX610-1 38T BMX Bicycles Strong enough to eliminate tough-to-cleanThe new FC RX610 1 crank balances weight and efficiency for mixed terrain riding. Gearing options cater for the specific demands of gravel riding and to maintain tighter gear steps for maintaining pedaling rhythm. GRX 12 speed, 1X crankset. Narrow wide 38T chainring. Gravel specific gearing ratios with 1X simplicity and wide range gearing. Bottom Bracket: Not included BB RS500 BB RS500 PB. Chainline: 50. 1mm. Attributes BB Inclusion No BCD 110