Product Description
Dyna Mono Spring is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.
HardDrive remote reservoir rear shocks by RacingBros' feature full adjustability with preload, compression and rebound adjusters to easily adapt to all riding styles and conditions. Whether you choose stock 12.5" length for your Dyna or Sportster, or you want the tall 14" curb hopper club style look, these performance shocks with race proven "Speed Adaptive Valving" will provide you with the ultimate ride.
Key Features
- Speed Adaptive Valving (SAV)
- Internal Floating Piston (IFP) stabilizes damping performance
- One-Piece damping body construction forged from A7075 aluminum
- Easy set up spring preload cap, no special tool needed
- Rebound adjustable version available
- Available in 12″, 12.5″ or 13″ lengths
- Heavy Duty spring rate recommended for riders over 200 lbs or frequent 2-up riding
Product Specifications
- Part Number: 890-01125
- Brand: Racing Brothers
- Weight: 4.4 lbs
Available at Knobtown Cycle
Shop online or visit our Kansas City showroom. Fast shipping available on all orders! Free Ship to Store!
Part Locations
| Location |
Available |
| Ashley (IN) |
0 |
| Elizabethtown (PA) |
0 |
| Boise (ID) |
8 |
| Midway (GA) |
0 |
| Fresno (CA) |
0 |
| Jessup (MD) |
0 |
| Midlothian (VA) |
0 |
| National Total |
8 |
Stock levels last updated: March 8, 2026 5:04 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
Reviews
There are no reviews yet.