Promax Banger BMX Stem - 53mm Front Load Black MFPN=TB85927400 (mm) 36 Spring Weight 548

(mm) 36 Spring Weight 548

Crank Spindle Diameter 30mm Cup Diameter 46mm BB Bearing Ceramic BB Shell Type PF30 BB Shell Width 68/86

Made of cast and machined 6061-T6 aluminum or stainless steel and available in multiple configurations

Will not harm alloy plastic rubber or carbon fiber parts so its safe to use for cleaning cassettes chainrings pulleys or any other component that accumulates muck and grime

4 Mount Type Front

Promax Banger BMX Stem - 53mm Front Load Black MFPN=TB85927400 (mm) 36 Spring Weight 548Banger stems have a front load design and can be used with either side up providing a 5 millimeter drop or rise. Available with 48 millimeter and 53 millimeter extensions they are cold forged from the highest quality 6061 T6 aluminum then CNC machined to enhance the shape and further reduce weight. Uses M6 bolts Stem Type Front Load Stem Angle (deg) 0 Length 53 Rise 5 Reach 53 Bar Clamp Diameter (mm) 22. 2 Color Black Weight 269 Defined Color Black