Lightweight alloy levers with an SCM435 bolt deliver crisp shifting and dependable braking for everyday and trail use. Dual-release shifting plus a clear gear display make quick, confident changes across the 8-speed right / 3-speed left configuration. At 0.433 kg per pair this unit balances control with a nimble feel for commuter or off-road bikes.
| Materials | Alloy shift lever; alloy brake lever; SCM435 bolt |
| Weight (pair) | 0.433 kg |
| Package dimensions | 6 x 4 x 2 in (L x W x H) (estimated) |
| Compatibility | Right 8-speed / Left 3-speed |
| Shifting type | Dual release shift with gear display |
| Brake type | Alloy mechanical brake lever |
| Mounting | Handlebar clamp fit, bolt-on installation |
| Unit | Pair |
SunRace STM500 Trigger Shifter & Brake Lever Pair, 8R/3L Setup
SKU: STM503 R8/L3-BOX-bb30
£35.99Price


