Description
Quick Change Gear Set – 8500 Series – Set 21A – 10 Spline – 4.12 Ratios 6.32 / 2.69 – 4.86 Ratios 7.45 / 3.17 – Steel – Polished – Each
SKU: WIN8521A
🇺🇸 Express Shipping From USA
⏱️ Estimated Shipping: 1-3 days
🌍 Fast International Shipping Support
🏅 Not Ready For Shipping In 72 Hours, 100% Refund
Original price was: $128.16.$116.51Current price is: $116.51.
In stock
8 in stock
Your purchase is fully covered and protected. We aren't paid until your order is verified and shipped. Learn more.
| Weight | 6.73 lbs |
|---|---|
| Dimensions | 8.8 × 4.9 × 1.9 in |
| Spline | 10.0 |
| Set Number | 21A |
| Gear 1 Tooth Count | 15.0 |
| Gear 2 Tooth Count | 23.0 |
| 4:12 Ring And Pinion Low Ratio | 2.69 |
| 4:12 Ring And Pinion High Ratio | 6.32 |
| 4:57 Ring And Pinion Low Ratio | 2.98 |
| 4:57 Ring And Pinion High Ratio | 7.01 |
| 4:86 Ring And Pinion Low Ratio | 3.17 |
| 4:86 Ring And Pinion High Ratio | 7.45 |
| Spur Ratio | 1.533 |
| Heat Treaded | Yes |
| Alloy | 8620.0 |
| Material | Steel |
| Color | Polished |
| Finish | Polished |
| Quantity | Pair |
| Variant | Yes |
| Variant Group | Quick Change Gears12 |
| Variant Column | Set Number |
| Brand | |
| Condition | |
| Type | |
| Manufacturer Part Number | 8521A |
Quick Change Gear Set – 8500 Series – Set 21A – 10 Spline – 4.12 Ratios 6.32 / 2.69 – 4.86 Ratios 7.45 / 3.17 – Steel – Polished – Each
Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.
Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.
| Destination | Est. Time | Cost |
|---|---|---|
| Canada (Toronto) | 5-7 business days |
$139.98 DHL Express |
| UK (London) | 5-7 business days |
$150.31 DHL Express |
| Australia (Sydney) | 5-7 business days |
$158.99 DHL Express |
| Germany (Berlin) | 5-7 business days |
$154.02 DHL Express |
Patriot Series
Bolt
8740
Chromoly
Black
Oxide
Kit
Bolt In
Upper
Yes
Yes
Steel
Youth Large
3.2A/5
Fire Retardant Fabric
Black
Each
Kit
Yes
Yes
Bolt On
Yes
Each
Polyurethane
Black
C-Shaped
Yes
TIP048
20 in
Steel
Chrome
Plated
Each
DigitalFit
Yes
Rear
Textured
Plastic
Cargo/Truck Liner
Yes
Yes
2nd Row
Yes
0.1285 in
Main
Brass
Natural
Natural
Reviews
There are no reviews yet.