Standing Rocks County Park Mountain Biking – October 23rd, 2022

Standing Rocks County Park in Stevens Point, Wisconsin is where Stacey and I ride in this video. We ride the trails “Super Dooper Looper” and “Green Goblin.” The video presents the Cykelstrom Bicycle Power Meter App and uses graphics to demonstrate how the app compares to a crank based power meter.

Standing Rocks County Park Mountain Bike Trails October 23rd, 2022

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Standing Rocks County Park Trail Pic

Standing Rocks County Park, Stevens Point Wisconsin, Super Dooper Looper
Stacey with Diamondback Lux Comp
Standing Rocks County Park, Stevens Point Wisconsin, Super Dooper Looper
Chuck’s Trek Top Fuel 8

Mountain Biking Standing Rocks County Park Cykelstrom Accuracy

The best accuracy for this ride is highlighted in bold.

SensorsCrank Power Meter (Watts avg.)Cykelstrom (Watts avg.)Difference (Watts)Margin of Error (Watts)
External Speed and Cadence84.8979.63-5.26+/- 1.99
GPS Speed and External Cadence84.8969.60-15.29+/- 2.14
External Speed Only86.25105.1618.91+/- 2.56
GPS Speed Only86.2595.389.12+/- 2.78
Table created using Bland-Altman Analysis using a 4iiii Precision Pro left sided crank power meter as the standard with 95% confidence level.

The Mountain Bike For This Test Ride

I rode a Trek Top Fuel 8 as a full suspension mountain bike for this ride equipped with a 4iiii Precision Pro left sided power meter on a Shimano SLX 11-speed group set. Cadence information was collected by Cykelstrom from the power meter. Speed information was collected by Cykelstrom using a Wahoo Bluetooth speed sensor. Heart rate information was collected with a Polar H7 chest strap sensor. The smartphone was a MotorolaG6 running Android Oreo and Cykelstrom version 1.36. All of the power meter and sensor data and was collected, saved locally and automatically uploaded to Strava with the Cykelstrom Bicycle Power Meter App.

Discussion Of This Ride’s Results

Highlighted in bold are the results from “External Speed and Cadence” as the most accurate in the table above. The Standing Rocks County Park mountain bike trail “Super Dooper Looper” has a lot of climbing with short punchy rollers, table tops, berms, and jumps. The trees were well canopied while we were riding and GPS speed information was affected. When riding in sheltered or heavy canopied areas, GPS information is not as reliable as also having external Bluetooth sensors equipped on your bike. For more information about how to add Bluetooth sensors to the Cykelstrom Mountain Biking Power Meter App visit the article “Adding Bluetooth Sensors to Cykelstrom.”

Strava Activity – Standing Rocks County Park

Click on the map to visit this activity in Strava.

Elapsed Time Moving Time Distance Average Speed Max Speed Elevation Gain Calories Burned
01:28:12
hours
01:12:43
hours
8.20
mi.
6.77
mph
13.12
mph
562.99
ft.
549
kcal
Introduced Stacey to Standing Rocks County Park today. She appears ready to tackle the mandatory gap jump on Super Dooper Looper.

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