Not too long ago, crankbrothers caught our attention with their new Synthesis carbon wheels. Their claim is that the wheels are ‘tuned’ for better performance thanks to a front wheel that is built to turn, and a rear wheel that is built to track. Now, that same principle is being applied to e-bikes with their Synthesis E-MTB Carbon Wheelset.

 

crankbrothers adds Synthesis tuned carbon wheelset for e-MTB in matched & Mullet sizes

Starting with a reinforced carbon rim to handle higher loads, the E-MTB versions also gain e-bike specific Sapim spokes. To round out the durability equation, a steel freehub body can handle higher torque. Those upgrades do come at a cost in terms of weight, with the E-MTB wheelset checking in at 237g heavier than the comparable Synthesis E Carbon Wheelset.

Offered in 27.5, 27.5+, 29″, or 29 front with 27.5+ rear, the E-MTB wheels are available in almost every configuration with a price of $1,699.

Specs

Engagement 17°(x6)
ETRTO (27.5) 585mm
ETRTO (29) 622mm
Hub Synthesis Standard
inner rim width front 31.5mm (29 & 27.5) / 35.5mm (27.5+)
inner rim width rear 31.5mm (29 & 27.5) / 35.5mm (27.5+)
outer rim width front 38.7mm (29 & 27.5) / 42.44mm (27.5+)
outer rim width rear 39.5mm (29 & 27.5) / 42.72mm (27.5+)
Rim Height (27.5+) 19.75mm
Rim Height (27.5/29) 18.75mm
spoke count front 28
spoke count rear 32
spokes front Sapim E-Light
spokes rear Sapim Strong
warranty Lifetime (rim only)
Weight Per Set (27.5) 2034g
Weight Per Set (27.5+) 2071g
Weight Per Set (29) 2142g
Weight Per Set (29F/27.5+R) 2110g

 

crankbrothers.com

2 COMMENTS

  1. Honest questions, all Crank Bros snark aside:
    1) why carbon rims if weight is equal to an OEM aluminum set?
    2) $1699 now pretty standard for carbon wheelset, BUT…Crank Bros. “Synthesis” hubs. Any track record?!?
    3) cost to value? (Refer to question #1…)

    • @Berner 505
      1) “Starting with a reinforced carbon rim to handle higher loads, the E-MTB versions also gain e-bike specific Sapim spokes. To round out the durability equation, a steel freehub body can handle higher torque. Those upgrades do come at a cost in terms of weight, with the E-MTB wheelset checking in at 237g heavier than the comparable Synthesis E Carbon Wheelset.”

      These seem like pretty solid reasons a wheel might be heavier but still claim to offer performance advantages. I found all them them right there in the article.

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