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Saris
Saris SAR9703T Mag Shifter Upgrade for 1020T Mag
A magnetic resistance shifter mounts to the stem for on-the-fly adjustments during indoor training
- For Use WithSaris Magnetic Shifter for Indoor Bike Trainers
- ColorBlack
- Color MappingBlack
- MaterialSaris Magnetic Shifter for Indoor Bike Trainers
- Adjust resistance without leaving the saddle
- Quick-release mount fits most stems
- Designed specifically for Mag trainers
- Lightweight composite construction at 0.33 lb
- One-year manufacturer warranty included
Mag Shifter Upgrade for 1020T Mag Trainer
This Saris magnetic shifter lets you adjust resistance on a compatible mag trainer without leaving the saddle. It is designed for indoor cycling sessions where quick resistance changes are needed. The kit includes the shifter unit and a quick-release mount that fits most stems. Cyclists who want wireless electronic shifting or a multi-gear cassette interface will not be served by this single-setting mechanical lever.
Compatibility check before ordering
Verify that your trainer is the Saris 1020T Mag model, as the shifter is built for that specific magnetic resistance unit. The quick-release clamp accommodates common stem diameters, so confirm your stem dimensions match a standard round or oversize bar. No tools are required for installation, but the lever only provides one resistance setting, so riders who need graded micro-adjustments should look elsewhere.
Build quality and daily use
The composite body weighs 0.33 pounds and measures 5 x 8 x 1 inches, keeping the cockpit light and unobtrusive. A black finish resists sweat and cleaning sprays during regular indoor rides. The quick-release lever allows the shifter to be removed or repositioned in seconds, which is useful when swapping bikes on the trainer or storing the unit between sessions.
Highlights
- Adjust resistance without leaving the saddle
- Quick-release mount fits most stems
- Designed specifically for Mag trainers
- Lightweight composite construction at 0.33 lb
- One-year manufacturer warranty included
Specifications
| Brand | Saris |
|---|---|
| Model | SAR9703T |
| Part Number | SAR9703T |
| For Use With | Saris Magnetic Shifter for Indoor Bike Trainers |
| Color | Black |
| Color Mapping | Black |
| Material | Saris Magnetic Shifter for Indoor Bike Trainers |
Questions about this item
What comes in the SAR9703T shifter kit and is anything else needed to mount it on my trainer?
The box contains the magnetic shifter unit and its quick-release mounting hardware; it clamps to most stems so no extra parts are required for installation.
The product is listed for the 1020T Mag trainer — will it work with any other Saris trainer?
The shifter is designed specifically for the Mag bike trainer model 1020T and is not compatible with other Saris trainer lines.
How does the single-setting magnetic resistance feel when I shift without leaving the saddle?
The lever changes the magnetic field on the fly, giving an immediate, stepped resistance jump that you control from the handlebar.
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