1-PIECE

 Replacement steel sprockets for 1pc BMX cranks 1/2x3/32 1pc 43T Black 1/2` x 3/32` Standard

 Replacement steel sprockets for 1pc BMX cranks 1/2x3/32 1pc 43T Silver 1/2` x 3/32` Standard

 CNC machined 6061-T6 alloy Fits 1pc and 3pc BMX cranks - 23.8mm hole for 1pc cranks with shims for 19/22mm 3pc cranks included Hard anodized coating  Unique 1/8` quiet drive technology  1pc/3pc 28T Gold 1/2` x 1/8` Standard

 CNC machined 6061-T6 alloy Fits 1pc and 3pc BMX cranks - 23.8mm hole for 1pc cranks with shims for 19/22mm 3pc cranks included Hard anodized coating  Unique 1/8` quiet drive technology  1pc/3pc 28T Black 1/2` x 1/8` Standard

 CNC machined 6061-T6 alloy Fits 1pc and 3pc BMX cranks - 23.8mm hole for 1pc cranks with shims for 19/22mm 3pc cranks included Hard anodized coating  Unique 1/8` quiet drive technology  1pc/3pc 25T Black 1/2` x 1/8` Standard

 CNC machined 6061-T6 alloy Fits 1pc and 3pc BMX cranks - 23.8mm hole for 1pc cranks with shims for 19/22mm 3pc cranks included Hard anodized coating  Unique 1/8` quiet drive technology  1pc/3pc 30T Black 1/2` x 1/8` Standard

 Fits 3-piece 22mm BMX cranks 2mm 6061 aluminum core Includes adapter for 19mm spindles 3pc 25T Black/Silver 1sp Standard

 Fits 3-piece 22mm BMX cranks 2mm 6061 aluminum core Includes adapter for 19mm spindles 3pc 25T White/Gray 1sp Standard

 Fits 3-piece 22mm BMX cranks 2mm 6061 aluminum core Includes adapter for 19mm spindles 3pc 25T Green/Gray 1sp Standard

 Fits 3-piece 22mm BMX cranks 2mm 6061 aluminum core Includes adapter for 19mm spindles 3pc 25T Purple/Black 1sp Standard

 Micro Drive II chainrings are compatible with 1-piece and 22mm 3-piece BMX cranks CNC machined 6061T6 alloy construction 1pc/3pc 25T Alloy Black 1/2` x 1/8` Standard

 Micro Drive II chainrings are compatible with 1-piece and 22mm 3-piece BMX cranks CNC machined 6061T6 alloy construction 1pc/3pc 25T Alloy Red 1/2` x 1/8` Standard