DT Swiss H 1900 Spline 30 Rear Wheel - 29" 12 x 148mm 6-Bolt XD Black MFPN=89.2711.114.105 }CeramicSpeed PF4630 Bottom Bracket -

}CeramicSpeed PF4630 Bottom Bracket - PF30/BBright/386EVO 30mm Spindle Black

The biggest difference between the pins is 50 mm open and 10 mm closed

Adjustments are made externally (no need to remove crankarms)

Wide clamping area for more support and stability

Can act as a travel limiter when full drop isn't needed

DT Swiss H 1900 Spline 30 Rear Wheel - 29" 12 x 148mm 6-Bolt XD Black MFPN=89.2711.114.105 }CeramicSpeed PF4630 Bottom Bracket -DT Swiss H 1900 Spline 30 Rear Wheel 29" 12 x 148mm 6 Bolt XD Black. When motor assistance and leg power meet the range of terrain a bike can conquer grows almost exponentially. The H 1900 SPLINE is designed for this now upgraded with the famous DT Swiss Ratchet technology. The Ratchet LN system distributes the combined forces from the rider and the motor over a larger area than the previous pawl freehub systems increasing the systems durability