Quick Summary
The REDSHIFT ShockStop is a shock-absorbing suspension bike stem with a 6 deg x 80 mm configuration. It is designed to reduce the effect of bumps and vibration while keeping the stem rigid side to side for steering control.
The stem includes 20 mm of damped suspension travel and 5 swappable elastomers for tuning stiffness and feel. It is described as fitting bikes with standard 1-1/8 inch (28.6 mm) steerer tubes and 31.8 mm handlebars, with shims available separately for smaller handlebar diameters.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | REDSHIFT, the brand name used for this stem. |
| Product type | Shock-absorbing suspension bike stem for cycling setups that need vibration damping. |
| Configuration | 6 deg x 80 mm, a key fit point for stem angle and reach. |
| Suspension travel | 20 mm of damped suspension travel, which affects how much vertical movement the stem can allow. |
| Elastomers | 5 swappable elastomers for tuning stiffness and feel. |
| Steerer tube fit | Fits standard 1-1/8 inch (28.6 mm) steerer tubes. |
| Handlebar fit | Fits 31.8 mm handlebars; shims are available separately for smaller handlebar diameters. |
| Compatibility limit | Not compatible with oversized steerer tubes. |
What to Compare Before Buying
- Steerer tube size: This stem fits standard 1-1/8 inch (28.6 mm) steerer tubes, so confirm your fork steerer size before choosing it.
- Handlebar diameter: It fits 31.8 mm handlebars, and smaller diameters need separate shims. Check your bar size against that requirement.
- Stem configuration: The 6 deg x 80 mm setup affects position, so compare it with the fit you want on the bike.
- Suspension feel: The 5 swappable elastomers let you choose among different stiffness options, so consider whether tuning matters to you.
Compatibility, Size and Fit
This stem is intended for bikes that use a standard 1-1/8 inch (28.6 mm) steerer tube and 31.8 mm handlebars. It is not compatible with oversized steerer tubes. If your handlebar diameter is smaller than 31.8 mm, separate shims are needed.
The 80 mm stem length and 6 deg angle are the main sizing factors to confirm before purchase, since they affect cockpit setup and riding position.
Before You Decide
Confirm your steerer tube size, handlebar diameter, and preferred 6 deg x 80 mm stem setup before choosing an offer. If your handlebars are smaller than 31.8 mm, make sure you have the needed shims. This stem is not for oversized steerer tubes.
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