Rear Hub | Phase Engage V1 Boost | 6-Bolt | 36 Hole | Black

Rear Hub | Phase Engage V1 Boost | 6-Bolt | 36 Hole | BlackTechnical Specification Type: Rear Hub Spacing: Boost Braking Interface: 6 Bolt Spoke Holes: 36 Spoke Bend Type: J Bend Colour: Black Total Weight: 429. 5g (when fitted with freehub) Freehub not supplied with this product. Hub bearings from left (disc side) to right (non disc side): 6903 2RS Bearing Stainless Steel 6903 2RS Bearing Stainless Steel

Driven by in-house Computational Fluid Dynamics (CFD) analysis and extensive wind tunnel testing

“Pick-up from the pawls in the freehub is instantaneous

tests show that you’ll save between 6–9 watts

Wilfred and his team have been engineering their dynamo hubs in Germany since their first prototypes 25 years ago

The ultimate mixed depth road racing wheelset

We tested against top competitors from across the world

aero body position over long

Rims | Built to offer the same levels of impact resistance as our legendary All Mountain Carbon H_IMPACT wheelset but with the benefits of added traction and compliance

Pair of replacement front axle end caps for Sprint 4 Season RB hubs

28 and cross tyres up to 45c

Best for bikepacking

weighing in at just 346 grams per pair that has a higher-grade alloy construction in an absolutely minimalist hubset built to withstand the rigors of road and gravel riding and racing