Hello everyone. Welcome to the latest episode of The Matchbox Podcast powered by Ignition Coach Co. I’m your host, Adam Saban, and on this week’s episode we’re talking about drive train efficiency, how to convert those quality indoor workouts into superior outdoor workouts, and whether we should be increasing muscle mass for more power output.
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Alight let’s get into it!
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Intro/ Outro music by AlexGrohl - song "King Around Here" - https://pixabay.com/music/id-15045/
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Summary
This episode tackles two practical cycling questions: how to choose the most efficient and reliable chain for a SRAM 13-speed setup, and how to translate indoor workout discipline to outdoor riding. Adam and the Host also dig into whether adding muscle mass helps power output, how strength training should be periodized, and how much muscle is actually useful for cyclists.
Key topics
- Jim from Albany, New York, asks about chain selection for a SRAM 13-speed Eagle/Explorer groupset.
- Waxing a chain, including using Silca drip wax, can improve drivetrain efficiency and narrow the gap between a great chain and a mediocre one.
- Matching the chain brand to the drivetrain brand can support better shifting, fewer dropped chains, and fewer compatibility issues.
- SRAM 12-speed and 13-speed chains are effectively the same category; there is not a separate 13-speed chain standard.
- Higher-end chains may offer meaningful durability benefits, even when their efficiency advantage is relatively small.
- 11-speed Shimano Dura-Ace is discussed as a historical efficiency benchmark, but the practical gap between modern drivetrain options is small.
- Outdoor workout execution is a skill that must be practiced rather than avoided.
- Shifting, route selection, and terrain awareness can help riders keep power within the target range.
- Lap average, time in zone, and power distribution are more informative than occasional power spikes alone.
- Strength training can improve force application, neuromuscular coordination, and cycling economy without requiring dramatic muscle gain.
- Strength training should generally be emphasized during lower-intensity cycling periods and maintained during harder training blocks and race season.
- Body type and racing goals should influence whether an athlete prioritizes climbing or sprinting performance.
Timestamps
00:00 - Jim asks about the most efficient chain for SRAM 13-speed and whether wax changes the answer
00:33 - Why Silca wax boosts efficiency and reduces the difference between good and bad chains
01:32 - Shimano Dura-Ace 11-speed as a historical efficiency benchmark
02:41 - Best practice: use the chain made for your drivetrain
04:03 - Durability, breakage concerns, and why higher-end chains can last much longer
05:35 - Force versus Red on SRAM flat-top and Explorer setups
07:28 - 12-speed and 13-speed chains are the same category
08:28 - Why off-road riders may choose SRAM for reliability over small watt savings
09:10 - Why waxing saves money by extending chain and cassette life
10:08 - Drip wax versus hot melt and how often to reapply
11:31 - Convenience, training time, and why not to overthink chain choice
13:13 - Blair’s question: indoor erg mode works, but outdoor workouts feel harder to hold
14:00 - Why outdoor execution matters more than perfect trainer compliance
15:20 - Use shifting and pacing skills to hold power across rolling terrain
16:56 - Why pedaling easier is not the same as making the workout harder
18:20 - Terrain choice matters for staying in Zone 2
19:39 - How to simplify outdoor intervals and narrow power ranges over time
20:36 - Using a 10-second average and a more stable power display outside
22:29 - Lap average can help, but only if the workout structure stays intact
23:31 - Why a 30/30-style effort is not the same as a steady tempo interval
24:33 - What to do when terrain interrupts a planned interval
26:24 - TrainingPeaks time-in-zone and workout distribution as coaching checks
27:34 - Reviewing workouts through color-coded power distribution
28:49 - Zone discipline is about lactate control, not just external power numbers
30:15 - Mixed feelings on erg mode and why it may not translate well outdoors
31:51 - Erg mode can help indoors, but it can also hide the skill of self-pacing
33:53 - Ryan asks whether more muscle mass means more power and how to periodize lifting
34:26 - Strength work, hypertrophy, and muscular endurance explained
36:25 - Why beginners often move from higher reps to lower reps for safety and progression
37:22 - How strength training and cycling blocks should align through the season
38:35 - Strength gains in new lifters are often neuromuscular, not just muscle growth
39:32 - Why strength training can improve cycling economy and muscle-firing efficiency
41:43 - Endurance athletes usually do not need huge muscle gains to benefit from lifting
44:06 - Goals matter: crit racers and climbers may optimize differently
46:10 - FTP is mostly cardiovascular, with strength training as a supporting tool
