The facts.
| Product | Sickle spanner for Wilbers shocks |
|---|---|
| Brand | Wilbers |
| 36 mm | Series 530, 531, 630, 631, 632, 633 |
| 46 mm | Series 540, 640, 641, 642, 643 |
| Part numbers | 730-0205-01 (36 mm), 740-0205-00 (46 mm) |
DescriptionThe whole story▼
Wilbers shocks with a threaded spring seat set the preload with two collars on the body: one moves the spring seat, the other locks it. The Wilbers sickle spanner fits these collars, in 36 mm for the smaller bodies and 46 mm for the larger ones.
Key Features
- Original Wilbers sickle spanner
- 36 mm for series 530, 531, 630, 631, 632, 633
- 46 mm for series 540, 640, 641, 642, 643
- For the preload and lock collars
- Fits in the on-board tool kit
Which size you need
The first three digits of the part number on your Wilbers shock name its series. Series 530, 531 and 630 to 633 take the 36 mm spanner, series 540 and 640 to 643 the 46 mm spanner. If the number is no longer readable, measure the collar or ask us.
Adjusting preload
Loosen the lock collar first, then turn the adjusting collar. Each full turn changes the preload by the pitch of the thread. Count the turns, tighten the lock collar again and repeat on the other shock if you ride a twin shock bike.
Why the right spanner
A spanner that fits engages the slots fully and does not slip. Hammer and punch damage the anodised collars and the threads, and a damaged collar no longer locks properly.
Riding with a passenger
With luggage or a passenger, a few turns more preload keep the rear from sagging. Take them off again when you ride alone.
Specifications
- Product: Sickle spanner
- Sizes: 36 mm, 46 mm
- Part numbers: 730-0205-01, 740-0205-00
FitmentWhich bikes this fits▼
Universal product — Please check whether it fits your bike.
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