# Shimano 8 speed road or MTN (except D'Ace) — Bike drivetrain and groupset compatibility

For Shimano 8 speed road or MTN (except D'Ace), manufacturer is JTek Engineering; component type is shifter; pairs with is Shimano 7 speed road or MTB; condition is Works 100% or the other way round but missing one sprocket, recorded from its source on 2026-08-11.

- **Manufacturer:** JTek Engineering _(our reading, not quoted from the source)_
- **Component:** Shimano 8 speed road or MTN (except D'Ace) _(verified: appears in the quote below)_
- **Component type:** shifter _(our reading, not quoted from the source)_
- **Pairs with:** Shimano 7 speed road or MTB _(verified: appears in the quote below)_
- **Condition:** Works 100% or the other way round but missing one sprocket _(verified: appears in the quote below)_

## What the source says

> Shimano 8 speed road or MTN (except D'Ace) | Shimano 7 speed road or MTB | Shimano 7 speed | Works 100% or the other way round but missing one sprocket |

## Source

- https://www.jtekengineering.com/resources/shiftmate-compatibility/

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Bike drivetrain and groupset compatibility](https://referencesource.org/bike-drivetrain-groupset-compatibility/).