Wheelbuilding: Strummer HR-360 + Strummer GC25 (25 mm) 24/24 Holes

Last Modified on: December 24, 2024

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

Hub & Freehub Variants:
Strummer HR-360 4-Pawl (Gen-1) 24/24H (12x100/12x142)
Strummer HR-360 Ratchet (Gen-1) 24/24H (12x100/12x142)
Strummer HR-360 Ratchet (Gen-2) 24/24H (12x100/12x142)

Rims Variants:
Strummer  GC25 Carbon Hookless 24/24H  (25mm, 700c/29", TSS)

Assembly Recommendations: 2 Cross on Front & Rear Wheelset to get maximum wheelset strength.

Front Hub Left Spoke Right Spoke L/R Tension
0 Cross (Radial) 275mm 276 mm 58%
1 Cross 278mm 279mm
58%
2 Cross 286mm 288  mm
58%
3 Cross 297mm 299mm
58%
Rear Hub Left Spoke Right Spoke R/L Tension
0 Cross (Radial) 273mm 272mm 57%
1 Cross 277 mm 275mm
57%
2 Cross 286mm 285mm
57%
3 Cross 299mm 297mm
57%

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 inaccurate 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. There may be a reasonable difference/tolerance in spoke sizes of +/- 1 mm depending on the brand and type of nipple used during ERD measurements or wheelset assembly. Differences may also arise from the rounding process of the numbers that appear during calculations. It is recommended to re-measure and re-calculate before assembly (using the brand and type of spokes & nipples that will be used in the wheelset assembly process). It is recommended to consult a professional bicycle mechanic or manufacturer's specifications before assembling a wheelset. Using the wrong spoke size can be dangerous  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.