Wheelbuilding: Strummer HR-10 (Ratchet) with Strummer AeroFlow Pro Carbon R50 (50 mm) 20/24 Holes

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Below are the spoke sizes for the hub and rim combinations below:

Hub & Freehub Variants:
Strummer HR-10 (4-Pawl) Hub Set (Front & Rear) 20/24H
Strummer HR-10 (Ratchet) Hub Set (Front & Rear) 20/24H

Rims Variants:
 Strummer  AeroFlow  Pro Carbon R50 (50 mm) - (20H & 24H - 2 Pcs)

Assembly Recommendations:
2 Cross for the rear wheelset.

Front Hub Left Spoke Right Spoke L/R Tension
0 Cross (Radial) 258mm 258mm 100%
1 Cross 261mm 261mm
100%
2 Cross 269mm 269mm
100%
3 Cross 279mm 279mm
100%
Rear Hub Left Spoke Right Spoke R/L Tension
0 Cross (Radial) 255mm 247mm  44%
1 Cross 258mm 251mm
44%
2 Cross 265mm 260mm
43%
3 Cross 274mm 273mm
43% 

 

Wheelset Kit Recommendation: For road bikes, use radial for the front hub with 20H. For 24H, you can use 2 Cross. For the rear hub, use 2 Cross for 24H, and 3 cross for 32H.

Warning: This guide is created  to help determine the correct spoke size when assembling a Strummer wheelset. This guide can be used as a reference, but it is important to remember that there is a possibility of inaccuracy in the information due to changes in product sizes/specifications, or user error when inputting data.

Caution: This guide is intended to provide general information and should not be used as the sole reference for determining spoke sizes. It is recommended to consult a professional bicycle mechanic or manufacturer's specifications before assembling a wheelset. Using the wrong spoke size can be life-threatening.  safety and wheel structure failure. Always take proper precautions and follow the manufacturer's guidelines to ensure the safety of yourself and others when working on  your bike.