![Hollowgram MTN Bottom Bracket Spindle - 137mm](jpg/a4fd02dbecac458f49159d7e05380480_1200x6a6a.jpg)
![Hollowgram MTN Bottom Bracket Spindle - 137mm](jpg/261a89d5270805a99bc4fc8ad39fbc40_1200x41f6.jpg)
![Hollowgram MTN Bottom Bracket Spindle - 137mm](jpg/e02fe0f39cb368266438a1b3f8d691ed_1200x1e7e.jpg)
Hollowgram MTN Bottom Bracket Spindle - 137mm
Hollowgram MTN Bottom Bracket Spindle - 137mm
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
Replacement Hollowgram Bottom Bracket Spindle, 137mm mountain. Works with both standard and compact, BB30 or PF30 systems featuring the Si,SL and SL2 arms. If your bottom bracket is starting to creak, this is typically the culprit; replace that etched and worn spindle with a fresh one and get some extra mileage out of your bottom bracket.