Profile Design 52A GMR Extension
Best versatile handlebar extension for long-distance bikepackers and endurance riders.
These extensions prioritize long-haul comfort by offering multiple hand positions that keep you fresh during grueling rides. The integrated bridge is a game-changer for mounting essential gear, though the aluminum construction adds a bit more weight compared to carbon alternatives. It is the ultimate utility upgrade for serious bike packers.
$93.50
at
Profile Design
Who it's for
- Competitive cyclists seeking an aggressive, high-hand aerodynamic position
- Riders prioritizing crash resistance and long-term equipment durability
- Budget-conscious athletes wanting aero gains without premium carbon pricing
Who should skip it
- Weight-obsessed climbers looking to minimize cockpit mass
- Long-distance riders sensitive to road vibration and hand fatigue
- Cyclists preferring a neutral or flatter wrist position
Performance breakdown
Ergonomic Versatility
Multiple hand positions significantly reduce fatigue on long-distance rides.
Accessory Integration
The integrated bridge simplifies mounting computers, lights, and navigation gear.
Material Durability
6061-T6 aluminum offers a robust, reliable build for rugged bikepacking.
Weight Efficiency
At 224g, it balances lightweight performance with necessary structural strength.
Installation Ease
Straightforward design allows for quick setup and adjustments on the fly.
Vibration Damping
Aluminum construction transmits more road feedback than carbon fiber alternatives.
Key Specs
Length
340mm
Grip Angle
52 Degrees
Rise
137mm (bottom to top)
Extension Width
100mm
Outer Diameter
22.2mm
Inner Diameter
19.4mm
Construction
6061-T6 aluminum
Weight
224g
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