Matrix has a range of bikes that were produced with a 1-piece crank arm that used 1/2" pedals.
As of March 2016, the 1-piece crank arm became discontinued. Matrix began providing a 3-piece crank to replace the 1-piece crank in July 2016. This new 3-piece crank uses 9/16" pedals.
Below are the models and serial#s affected by this change of the pedal axle set.
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Bike Models and Serial#s Affected by the 1-Piece Crank Change to the 3-Piece Crank |
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| Model | Serial# | Old/Discontinued 1-Piece Crank (uses 1/2" pedals) |
New 3-Piece Crank (uses 9/16" pedals) |
| H3X/5X-F | CB64 | 039169-Z | 1000387880 |
| U3X/5X-F | CB65, CB75, CB75B, CB75C, and CB86 | 039169-Z | 1000387880 |
| H3X/5X-F | CB72, CB72B, CB72C, and CB87 | 0000090853 | 1000387880 |
| R3X/5X-F | RB91, RB91B, RB91C, and RB303 | 0000090853 | 1000387880 |
If you own one of the Matrix bike model and serial#s listed here impacted by this change of the 1-piece crank to the 3-piece crank, you need to confirm how the bike is equipped. Do you have 1/2" pedals vs. 9/16" pedals?
If your club has any of these Matrix bike models and serial#s impacted by this change in the pedal axle set, you need to confirm how the bike is equipped. Do you have 1/2" pedals vs. 9/16" pedals?
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