Berd Sparrow50 Gold Carbon Wheels

The Fastest Gravel Wheels in the World Super Aerodynamic with Vibration-Damping Spokes The Sparrow50 Gold is 14% more aerodynamic than our previous-generation Sparrow, with the same vibration damping no aero rival can match. A combination that, in our finish time modeling, puts Berd wheels ahead of the highest-performing gravel wheels on the market. At 1,298 grams, the Sparrow50 Gold wheels are the lightest production 50 mm depth wheels on the planet, thanks to the lightweight rims, hubs and Berd spokes weighing only 2.4 grams each. Wind Tunnel Tested: 14.3% more aerodynamic than the standard Sparrow. Fast through the air, quiet over the ground. The Sparrow50 Gold wheels are compatible with 40 mm – 60 mm tires and were optimized in the wind tunnel with 45 mm to 55 mm tires in close collaboration with Schwalbe. The Schwalbe G-One RS PRO in 45 mm is the fastest, most aerodynamic tire we have tested for Cat 1 gravel. Gold Medal Winning Spokes: With two Olympic Gold Medals, two Olympic Bronze Medals, and over 50 XC World Cup podiums in the last 2 seasons, Berd spokes are the winningest XC MTB spokes in the world. Lightweight, strong, vibration damping. “If you’re not riding Berd spokes for mountain biking, you’re at a disadvantage.” 5 Watt Vibration Savings: In independent testing, John Karrasch recorded roughly 5 watts of savings at 30 km/h from Berd’s vibration-damping spokes alone. Unmatched Smoothness: Berd spokes are the only spokes that use viscoelastic damping to dissipate high-frequency vibration. No steel or carbon fiber spoke can do it. Less Fatigue, More Endurance: Berd spokes filter the high-frequency vibration that wears riders down, so less buzz reaches your hands, arms, back, and saddle. You finish long gravel days fresher and stronger. 30 mm Internal Rim Width: The Sparrow50 Gold wheels are tubeless ready with a 30 mm internal rim width. A super wide 4 mm hooked bead locks the tire in place for confident retention with all tire types and protection against pinch flats at low pressure. Talon ESL-R Hub with TriCoat™ Freehub: Our new Talon ESL-R hubs are our fastest gravel hubs ever and feature precision machined TriCoat™ aluminum that resists cassette bite and surface marking. Equal Spoke Length (ESL): Engineered with varying hook flange widths to maintain identical spoke lengths across both sides of both wheels, simplifying service, spares, and race-day repairs. High Engagement 36 Tooth Ratchet: The ESL-R hubs feature a new lightweight dual-sprung 36 tooth ratchet freehub for instant power transfer and explosive acceleration the moment you hit the pedals. Easily Convertible End Caps: The ESL-R front hubs feature innovative removable sleeves that easily convert between 12 mm and 15 mm axles in seconds with no tools needed. 700C(29") and 32″: Bigger wheels roll faster and smoother, so we built a 32″ gravel wheel to put you on the cutting edge, aerodynamic, low rolling resistance, and ready for where gravel racing is going. Lifetime Crash Replacement: If you damage your rim while riding, you’re covered under our free crash replacement program. In addition, every Sparrow50 Gold wheelset is backed by a lifetime warranty against manufacturing defects for complete peace of mind. Technical Specifications — 700C (29″) Wheelset Weight: 1,298 grams (without rim tape and valves) Front Wheel Weight: 600 grams (without rim tape and valves) Rear Wheel Weight: 698 grams (without rim tape and valves) Rim Material: Carbon Fiber Internal Rim Width: 30 mm Rim Depth: 50 mm External Rim Width: 38 mm Wheel Size: 700c (29″; 622 mm Bead Seat Diameter) Rim ERD: 541 mm Hole Count: 24 Holes Front and Rear Hub: Berd Talon ESL-R Front Hub Dimensions: 12 x 100 mm or 12 x 110 mm (both convertible to 15 mm) Rear Hub Dimensions: 12 x 142 mm or 12 x 148 mm Freehub Compatibility: SRAM XD, Shimano Microspline, Shimano Hyperglide, or Campy N3W Freehub Material: TriCoat™ Aluminum Freehub Mechanism: High Engagement 36 Tooth Ratchet Disc Brake Type: Centerlock Front Hub Bearings: 2 x 6803 bearings (17 x 26 x 5 mm) Rear Hub Bearings: 2 x 15267 bearings (15 x 26 x 7 mm), 2 x 6802 bearings (15 x 24 x 5 mm) Front Spokes: Berd PolyLight Spokes, 259 mm Rear Spokes: Berd PolyLight Spokes, 259 mm Lacing Pattern: Two-Cross Front and Rear Nipples: Sapim Aluminum Double Square Secure Lock, Black Tubeless Ready: Rim Tape and Valves Installed Tire Compatibility: 40 mm – 60 mm (1.50″ to 2.35″) Maximum Tire Pressure: 60 psi (4.14 bar) Intended Use: Gravel Racing and Riding E-Bike Approved: Yes, up to 60 Nm/500 W Weight Limit: 280 lbs / 127 kg Assembly Method: Hand Laced in Hopkins, MN, Trued by TRUDI Warranty: Limited Lifetime Warranty and Free Crash Replacement Technical Specifications — 32″ Wheelset Weight: 1,541 grams (without rim tape and valves) Front Wheel Weight: 718 grams (without rim tape and valves) Rear Wheel Weight: 823 grams (without rim tape and valves) Rim Material: Carbon Fiber Internal Rim Width: 30 mm Rim Depth: 50 mm External Rim Width: 38 mm Wheel Size: 32″ (686 mm Bead Seat Diameter) Rim ERD: 607 mm Hole Count: 24 Holes Front and Rear Hub: Berd Talon ESL-R Front Hub Dimensions: 12 x 100 mm or 12 x 110 mm (both convertible to 15 mm) Rear Hub Dimensions: 12 x 142 mm or 12 x 148 mm Freehub Compatibility: SRAM XD, Shimano Microspline, Shimano Hyperglide, or Campy N3W Freehub Material: TriCoat™ Aluminum Freehub Mechanism: High Engagement 36 Tooth Ratchet Disc Brake Type: Centerlock Front Hub Bearings: 2 x 6803 bearings (17 x 26 x 5 mm) Rear Hub Bearings: 2 x 15267 bearings (15 x 26 x 7 mm), 2 x 6802 bearings (15 x 24 x 5 mm) Front Spokes: Berd PolyLight Spokes, 291 mm Rear Spokes: Berd PolyLight Spokes, 291 mm Lacing Pattern: Two-Cross Front and Rear Nipples: Sapim Aluminum Double Square Secure Lock, Black Tubeless Ready: Rim Tape and Valves Installed Tire Compatibility: 40 mm – 60 mm (1.50″ to 2.35″) Maximum Tire Pressure: 60 psi (4.14 bar) Intended Use: Gravel Racing and Riding E-Bike Approved: Yes, up to 60 Nm/500 W Weight Limit: 280 lbs / 127 kg Assembly Method: Hand Laced in Hopkins, MN, Trued by TRUDI Warranty: Limited Lifetime Warranty and Free Crash Replacement