50mm Longer Wheelbase
Moves the rear wheel back approximately 50mm for a more planted setup.
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SKRMOD / PRODUCT DETAILS
Build a longer, more planted E Ride Pro rear end with a reinforced 50mm extended CNC swingarm.
Moves the rear wheel back approximately 50mm for a more planted setup.
6061-T6 aluminum and a reinforced linkage connection support the rear assembly.
Upgraded bearing support is designed for rear-end durability and smooth movement.
Replaceable components and original chain-cover / mudguard thread locations simplify servicing.
| Compatible bikes | E Ride Pro SR E Ride Pro SS 3.0 E Ride Pro SS 2.0 E Ride Pro S |
|---|---|
| Tire size | Stock reference: 90/90-19. Approximately 3mm extra inner clearance does not guarantee wider-tire fitment. |
| Custom tire setups | Wider tires may need chain-line adjustments and supporting modifications. Specialist installation is required; wider-tire customization falls outside warranty coverage. |
| Chain and axle | A longer chain is required and sold separately. Some models also need a longer rear axle; confirm full axle-nut engagement before riding. |
| Other bikes | DOES NOT FIT Surron, Talaria or 79BIKE as a universal replacement. |
For an unlisted or modified setup, send your bike model and clear photos to official@skrmod.com before ordering.
| Version | Mark 5 reinforced construction. |
|---|---|
| Extension | 50mm / approximately 2 inches; around two extra chain connector lengths. |
| Weight | Approximately 4.3kg target weight. |
| Material | CNC-machined 6061-T6 aluminum. |
| Bearings | Larger 440 stainless steel bearings. |
| Inner clearance | Approximately 3mm more than stock. |
| Design | Modular; belt-drive compatible. OEM chain-cover and mudguard thread locations. |
| Finish | Selected anodized finish. |
| Structural comparison | At least 2× stronger than stock. |
Professional installation is recommended. Check wheel alignment, axle engagement, chain slack, brake-caliper clearance, brake-line routing and tire clearance. Do not force an axle that is too short; contact official@skrmod.com with clear photos. Modified brake, sprocket or belt-drive setups may need further adaptation.

In Stock: Ships from our CN and US warehouses for fast delivery.
** Chain: In stock at CN warehouse — air freight to US. US orders may require additional delivery time.
* Black/Silver/Red: In stock at CN warehouse — air freight to US (us order adds delivery time).