The Nero Show New Giant Propel + Merida Reacto & Riding a 6.2kg Climbing Bike | NERO Show x JOIN Cycling
Mar 12, 2026
They debate the new Merida Reacto and Giant Propel aero claims and whether claimed watt savings hold up. A wheel safety controversy with Cadex rims sparks technical skepticism. Chris recounts riding a 6.2kg Cervelo R5 on Peaks Challenge and why bike choice felt faster. They also share fueling tips, supplement routines and critique several listener bike builds.
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Merida's 196 Watt Claim Depends On Narrow Bars
- Merida Reacto's headline aero number relies on a non-UCI legal narrow cockpit that reduces frontal area.
- Tour Magazine's 196 W claim used a gullwing CW-1P bar and unclear wheel setup, so frame-only gains are smaller than advertised.
Buy The Complete Spec If You Want Ready Aero Performance
- Consider buying bikes specced as complete systems rather than chasing marginal frame gains.
- Merida's top spec (one-by Classified hub, DT Swiss ARC1100 wheels, DuraâAce) gives a ready-to-ride aero/weight package for AU$13,899.
Propel's Big Watt Number Is Mostly Spec Package
- Giant's new Propel packs frame, integrated bar, new wheels and tyres into a single claimed 18.4 W system saving at 40 km/h.
- Much of the savings stem from narrower bars and tyre changes, so real frame-only aero may be ~4â5 W.