What Is It?
The PRO LT OS Adjustable Black 90mm Stem is a versatile, lightweight adjustable bicycle stem designed to help riders fine-tune their riding position by changing handlebar height, reach, and cockpit comfort. Manufactured by PRO Bikegear, it is suitable for road, gravel, hybrid, fitness, and cross-country MTB applications where a flexible bike fit solution is required.
Featuring a durable 6061 aluminium alloy construction, a 31.8 mm oversize handlebar clamp, and an adjustable angle range, the PRO LT Adjustable Stem allows riders to achieve a more upright or aggressive riding position without replacing the stem.
Key Benefits
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Adjustable Riding Position: Allows riders to fine-tune handlebar height and reach for improved comfort and control.
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90 mm Length: Provides a balanced reach suitable for many road, gravel, hybrid, and XC setups.
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Wide Adjustment Range: Adjustable angle allows a more relaxed upright position or a lower sportier cockpit setup.
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6061 Aluminium Construction: Offers a strong balance of stiffness, durability, and weight savings.
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31.8 mm Oversize Clamp: Compatible with modern oversized handlebars.
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Headlock Clamp System: Provides secure handlebar attachment and reliable front clamp performance.
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Black Anodised Finish: Provides a clean, durable appearance that matches most bike builds.
Specifications
| Specification |
Details |
| Product |
PRO LT OS Adjustable Stem |
| Brand |
PRO Bikegear |
| Model |
LT OS Adjustable |
| Length |
90 mm |
| Angle Adjustment |
Approx. -30Ā° to +40Ā° |
| Handlebar Clamp Diameter |
31.8 mm |
| Steerer Compatibility |
1 1/8" (28.6 mm) |
| Material |
6061 Aluminium Alloy |
| Clamp Design |
4-Bolt Faceplate / Headlock System |
| Finish |
Black Anodised |
| Weight |
Approx. 255 g |
| Application |
Road, Gravel, Hybrid, XC MTB |
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Compatible Components
The PRO LT OS Adjustable 90mm Stem is compatible with:
- 31.8 mm handlebars, including:
- Road handlebars
- Gravel handlebars
- Flat MTB handlebars
- Hybrid handlebars
Suitable fork steerer systems:
- Standard 1 1/8-inch threadless (Ahead) forks
Compatible bike types:
- Road bikes
- Gravel bikes
- Hybrid bikes
- Fitness bikes
- Cross-country mountain bikes
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Who Is This Best Suited For?
The PRO LT OS Adjustable Black 90mm Stem is ideal for:
- Riders adjusting their bike fit without changing multiple components
- Endurance road cyclists seeking more comfort
- Gravel riders wanting cockpit flexibility
- Commuters needing a more upright position
- XC riders fine-tuning handling characteristics
- Bike fitters and mechanics setting up multiple rider positions
- Riders replacing a fixed-angle stem with an adjustable option
Compatibility Note: Confirm your current setup before installation. This stem requires a 31.8 mm handlebar clamp and a 1 1/8-inch threadless steerer tube. Torque all stem bolts to the manufacturer's recommended specifications, especially when used on carbon handlebars or carbon steerers.
