Box One Prime 9 Shifter
Available in single shift option for emtb to keep the user from shifting multiple gears under load significantly reducing the rate of bent teeth and broken chains.
Box one prime 9 shifter. This isn t your typical old school 9 speed though. Prime 9 technology for greater simplicity and durability. You get a seriously good gear range with just the right spacing and not too much in between. Fewer cogs compared to 12 speed make for a lighter cassette and better performance in all scenarios.
Another thing one of those reviews posted made it sound like the box two didn t have multi release on the shifter that s just the ebike 9 speed they ship now with different branding. Box one prime 9 compared to other 12 speed. As a result 9 speed shifters outside of box are not compatible with prime 9 drivetrains. The alloy box 2 is just 270 and a much easier sale to commit to.
Selling my box one prime 9 shifter cassette derailuer brand new chain clamp mount and sram matchmaker mount for shifter. However the prime 9 drivetrain is optimized for an 11 50t cassette and derailleur geometry that is not desirable for conventional 11 34 11 36 cassettes. Then at 195 including shifter derailleur cassette chain box three is the lowest cost of entry. All prime 9 shifters take advantage of the 9 speed s inherent durability simplicity and reliability.
You can t go wrong with the prime 9 because it s backed by box s shift happens warranty program that really stands behind the product. Helpful if you find yourself faced with a sudden uphill. Available only on box one two tiers consistent gear jumps. The box one prime 9 shifter can drop down three shifts with a single push of the thumb lever that s over half of the range in one push.
Used for 2 months slight use wear but nothing out of ordinary. Box prime 9 shifter. It s top of the line and comes packed with other features such as a durable cast aluminum pull lever and top shell. Take it one stop lower to box 4 and it is just 155 but with a smaller gearing range.
Prime 9 cassettes feature consistent gear spacing which provides even cadence across the cassette s range. Multi shift option changes up to 3 gears at once for non emtbs. The box one shifter is the only shifter on the market that comes factory stock with a hinged and machined clamp. The 9 speed cassette is really what helps this bring the weight down.
Cassette prime 9 is based off of 9 speed cassette architecture so shifting performance between the prime 9 cassette and others is similar. I think the killer setup would be the box one shifter box two derailleur and china sunrace zrace zotto 9 speed 11 50 cassette and kmc chain.