This item is available for PRE-ORDER in limited quantities.
Estimated shipping timeframe is late April 2026.
By placing a pre-order, you acknowledge and agree that:
• This is an advance purchase and the product is not yet ready for immediate shipment.
• The estimated shipping date is subject to change due to production schedules, material availability, logistics delays, quality control processes, or other unforeseen circumstances.
• Orders may ship earlier or later than the estimated timeframe without prior notice.
• Pre-order items will ship as soon as they become available.
• If your order includes both pre-order and in-stock items, the entire order may be held and shipped together unless separate shipping is selected.
• All delivery timelines provided are estimates only and are not guaranteed.
• We are not liable for indirect losses, inconvenience, or damages caused by shipping delays outside our reasonable control.
We appreciate your patience and support in securing one of the limited early units.
R1WURKS R1B 13mm Shock Piston
Standard replacement / spare part for the R1B
Key Features and Specifications:
- R1 Wurks genuine replacement part
- Made from low friction polyacetal thermoplastic material
- CNC machined for precision accuracy
Includes:
- x2 of the selected piston
Options:
- 920255 13mm Shock Piston 2mm Thick / 3 Hole x1.5 (Kit Front)
- 920256 13mm Shock Piston 2mm Thick / 3 Hole x1.6 (Kit Rear)
- 920181 13mm Shock Piston Blank 2.5mm Thick (drill your own holes)
- 920183 13mm Shock Piston Blank 2mm Thick (drill your own holes)
| Piston thickness comparison | Characteristics |
|---|---|
| 2.5 mm Piston | • More controlled and consistent oil flow • Slightly more pack (resistance to fast compression) • Smoother feel over rough surfaces |
| 2.0 mm Piston | • Oil flows more freely around the piston edges • More responsive, faster initial movement • Less pack on hard landings. Ideal for carpet. |
This item is available for PRE-ORDER in limited quantities.
Estimated shipping timeframe is late April 2026.
By placing a pre-order, you acknowledge and agree that:
• This is an advance purchase and the product is not yet ready for immediate shipment.
• The estimated shipping date is subject to change due to production schedules, material availability, logistics delays, quality control processes, or other unforeseen circumstances.
• Orders may ship earlier or later than the estimated timeframe without prior notice.
• Pre-order items will ship as soon as they become available.
• If your order includes both pre-order and in-stock items, the entire order may be held and shipped together unless separate shipping is selected.
• All delivery timelines provided are estimates only and are not guaranteed.
• We are not liable for indirect losses, inconvenience, or damages caused by shipping delays outside our reasonable control.
We appreciate your patience and support in securing one of the limited early units.
R1WURKS R1B 13mm Shock Piston
Standard replacement / spare part for the R1B
Key Features and Specifications:
- R1 Wurks genuine replacement part
- Made from low friction polyacetal thermoplastic material
- CNC machined for precision accuracy
Includes:
- x2 of the selected piston
Options:
- 920255 13mm Shock Piston 2mm Thick / 3 Hole x1.5 (Kit Front)
- 920256 13mm Shock Piston 2mm Thick / 3 Hole x1.6 (Kit Rear)
- 920181 13mm Shock Piston Blank 2.5mm Thick (drill your own holes)
- 920183 13mm Shock Piston Blank 2mm Thick (drill your own holes)
| Piston thickness comparison | Characteristics |
|---|---|
| 2.5 mm Piston | • More controlled and consistent oil flow • Slightly more pack (resistance to fast compression) • Smoother feel over rough surfaces |
| 2.0 mm Piston | • Oil flows more freely around the piston edges • More responsive, faster initial movement • Less pack on hard landings. Ideal for carpet. |