Roadmaster InvisiBrake 8700
#5 in BrakeFull review
For owners who keep one towed car and want a brake they never handle. Proportional systems brake more smoothly.
Amazon $1,380$1,380
The Roadmaster InvisiBrake 8700 is the better tow bar overall, rated 3.8 to 3.7. The Roadmaster InvisiBrake 8700 leads on features and price. The Roadmaster InvisiBrake 8700 costs $215.95 less ($1,380 vs $1,595.95).
CURT RVibrake Shadow 2 52201
#7 in BrakeFull review
For owners who keep one towed car and want a hidden brake with battery charging. Confirm the breakaway setup before buying.
Amazon $1,595.95$1,595.95
Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Roadmaster InvisiBrake 8700 for features (breakaway included, motorhome monitor included vs motorhome monitor included) and price ($1,380 vs $1,595.95).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every brake tow bar; a clear win is highlighted. How we rank explains each one.
| Factor weight | Roadmaster InvisiBrake 8700 | CURT RVibrake Shadow 2 52201 |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Price 25% | 46 $1,380 | 28 $1,595.95 |
| Capacity or braking 20% | 0 set braking force, not proportional | 50 braking type not published (neutral score used) |
| Weight or install 15% | 100 stays installed in the car | 100 stays installed in the car |
| Features 20% | 100 breakaway included, motorhome monitor included | 50 motorhome monitor included |
| Warranty 20% | 100 limited lifetime warranty | 100 limited lifetime warranty |
Specifications
| Roadmaster InvisiBrake 8700 | CURT RVibrake Shadow 2 52201 | |
|---|---|---|
| Tow bar | ||
| Type | Supplemental brake | Supplemental brake |
| Braking | ||
| Proportional | No | - |
| Install | Installed | Installed |
| Breakaway included | Yes | - |
| Motorhome monitor | Yes | Yes |
| Build | ||
| Warranty | Limited lifetime | Limited lifetime |