The Weld RT-S S77 is a 3-piece forged aluminum wheel with forged shells and a 6061 center, built for street, drag, road course and autocross use. This 18x11 size has a 5x4.75 bolt pattern, a 7.7in backspace (+43mm offset), a 3.18in center bore and a 1,580 lb load rating. The medium mounting pad is one of three pad heights made to clear different brake packages. A center cap and valve stem are included.
Specifications
| Type | Forged Wheel |
| Series | RT-S S77 |
| Construction | 3-piece forged aluminum (forged shells, 6061 center) |
| Size | 18x11 |
| Bolt Pattern | 5x4.75in |
| Backspace | 7.7in |
| Offset | +43mm (ET43) |
| Center Bore | 3.18in |
| Load Rating | 1,580 lb |
| Finish | Black center, polished shell |
| Pad Height | Medium |
| Beadlock | No |
| Lug Seat | Conical |
| Included | Center cap and valve stem |
| Quantity | 1 wheel |
| Warranty | 3 years from purchase against defects in materials and workmanship (original purchaser) |
| Part Number | 77MB8110B77A |
Is this sold as a single wheel?
- Yes. The listing is for one wheel.
What lug nuts does it take?
- The 18in S77 uses conical seat lug nuts.
Does it come with a center cap?
- Yes. A center cap and valve stem are included.
What are the offset and backspace?
- +43mm offset with a 7.7in backspace on an 18x11 wheel with a 5x4.75 bolt pattern.
What warranty does it have?
- 3 years from purchase against defects in materials and workmanship, for the original purchaser.
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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