Praxis Works M30-BB86/92 Bottom Bracket promax The Rennen Chainring-4-Bolt at J&R

The Rennen Chainring-4-Bolt at J&R Bicycles is made from airplane-grade 7075-T6 aluminum alloy which is 83-percent stronger than the standard 6061-T6

The S&M Race XLT Bars-10" give you more rise when you need it

* Photo is of 44T

Head Angle

Praxis Works M30-BB86/92 Bottom Bracket promax The Rennen Chainring-4-Bolt at J&RThe Praxis Works M30 BB86 92 Bottom Bracket at J&R Bicycles is crafted from precision ground steel and features a unique and convenient integrated design. The integrated style bearing, with bearing race and carrier combined, makes for quick and convenient installation and removal with the use of a BB press drift tool. This press fit BB is for use with an M30 alloy spindle crank on many different frame options (listed below) with 41mm diameter bore.