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e*thirteen Sidekick rear 148mm (V2) spoke length

J-bend, 28, 32 hole. Flange diameter 60 mm left and 60 mm right, centre to flange 38 mm left and 21 mm right. Pick your rim in the calculator for your exact spoke lengths.

Rim

ERD 591 mm, made in 24, 28 hole. Asymmetric: the spoke holes sit 3 mm off centre, allowed for in the lengths.

Some alloy rims use them. Leave empty if you don't.

How to measure ERD yourself
gapspoke + nipple,screwed on flushERD = spoke + spoke+ gap

Take two spokes of a known length and screw a nipple onto each until the thread end is flush with the top of the nipple. Drop them through opposite spoke holes so the nipples sit in the rim as they would in a built wheel. Pull them tight towards each other and measure the gap between the bent ends. ERD is the gap plus both spoke lengths.

Hub

J-bend. Flange diameter 60 / 60 mm, centre to flange 38 / 21 mm (left / right).

Hub not listed? Choose "Type in my hub", or tell me which one and I'll add it.

Lacing

Crosses, left (disc side)

Crosses, right (drive side)

I've started you on 3-cross for 28 hole, which suits most wheels. Radial is only for a side that doesn't brake or drive: a rim-brake front, or the non-drive side of a rim-brake rear.

Left sideRight side
Spokes

Used for the stretch, the weight and the ping note.

Most wheels 100 to 130. Check your rim's limit.

Spoke lengths

Check your rim and hub against the maker's sizes before you order spokes.

Rear wheel, 28 hole, J-bend spokes, 591 mm ERD.

SideSpokesLength
Left (disc side)3-cross14291 mm291.1 worked out
Right (drive side)3-cross14290 mm290.0 worked out

Rounded to the nearest mm. Between two sizes, go for the shorter one.

Tension: the left spokes run at 69% of the right side's tension. Bracing angles 6.9° left, 4.7° right.

Weight: these spokes and alloy nipples come to about 182 g (about 200 g with brass nipples).

Have me build this wheel

Order these spokes from me

28 spokes and nipples, about £37.80 before postage. I'll email you to confirm the price and postage before you pay anything.

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Will my spokes fit?
Ping tuner: what each side should sound like
A#4, about 466 Hz at 76 kgf
C#5, about 564 Hz at 110 kgf

Pluck each spoke between the rim and where it last crosses another, and match the note. Every spoke on one side should sound the same. It's a guide to even tension by ear, not a tension meter.

Often needed with this wheel

These lengths come from the makers' published sizes and a standard sum. Rims and hubs vary from batch to batch, and sizes you put in yourself are only as good as your measuring. Travers Bikes takes no responsibility for spoke lengths worked out with this calculator, or for spokes, wheels or parts bought or built using them.

e*thirteen Sidekick rear 148mm (V2) with common rims

J-bend lengths include the bend. Rounded to the nearest mm.
HolesLeftRightLacing
Nextie Alpha 36S 29"28291 mm290 mm3-cross
Nextie Omega 36U 29"28293 mm291 mm3-cross
Nextie Omega 36 29"28293 mm291 mm3-cross
Nextie Omega 40 29"28292 mm291 mm3-cross
Nextie Omega 40D 29"28292 mm291 mm3-cross
Nextie Omega 40-27 27.5"28297 mm296 mm3-cross
Nextie Omega 40D-27 27.5"28297 mm296 mm3-cross
Nextie Unicorn 32" 32"28328 mm326 mm3-cross
Nextie Unicorn 36" 36"28366 mm365 mm3-cross
Nextie Alpha 32" 32"28321 mm320 mm3-cross
DT Swiss XM 481 29"28296 mm295 mm3-cross
DT Swiss EX 511 29"28296 mm295 mm3-cross
Hope Fortus 30 29"32288 mm286 mm3-cross
Stan's Flow MK3 29"32293 mm292 mm3-cross
WTB HTZ i30 29"32293 mm292 mm3-cross
Race Face ARC Offset 30 29"28295 mm295 mm3-cross

Back to the spoke length calculator for how it works and how to measure your own parts.

A pair of Nextie carbon wheels built at Travers Bikes

Want me to build it?

I hand-build wheels in Rochford with Nextie carbon rims and Hope, DT Swiss, Chris King, Shimano, Nextie and SON hubs. I work out the spokes and order them, so getting the length right is my job, not yours.

Price a wheel build
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