New type of transmission, seems like an update to the Dana
- Thread starter deven_science
- Start date
Help Support Rat Rod Bikes Bicycle Forum:
Impressive! it's a little heavy at 3 lbs, but not too bad. I thought it might solve my gearing dilemma on my Mongoose Beast, but it freewheels, no kick back braking (coaster brake). They also have a belt drive version in the works. I love new technology, even at 300 bucks.
They've had this thing out for about two years. It isn't exactly "new technology"; it's just planetary gears. It also isn't exactly a new spot for planetary gearing; Schlumpf has been making 2-speed cranks for ages. It is, however, a well-thought out design, even if it is pricey and not rated for off-road use. :roll:
Someone asked above about what it's do with a nexus 8. with 26" wheels and a 20t cog, you'd get a 19.2" low and a 94.5" high. Fairly even spaces between shifts, with quite a few redundant gears. Not bad, but I think I'd look at pairing this with a 3speed instead. A typical Sturmey Archer 3speed, with the same crank and 20t cog, gets a usable 27.3" thru 78" range, with zero redundant gears throughout the range.
Play around with other gearing combos at http://sheldonbrown.com/gears/
Someone asked above about what it's do with a nexus 8. with 26" wheels and a 20t cog, you'd get a 19.2" low and a 94.5" high. Fairly even spaces between shifts, with quite a few redundant gears. Not bad, but I think I'd look at pairing this with a 3speed instead. A typical Sturmey Archer 3speed, with the same crank and 20t cog, gets a usable 27.3" thru 78" range, with zero redundant gears throughout the range.
Play around with other gearing combos at http://sheldonbrown.com/gears/
Rat Rod said:In one of the videos the spokesman says that it's for English BBs only.
Yep, I noticed that.
$857 for a Schlumpf Innovations Gearing Systems. Bet they haven't sold very many. :lol: :lol: :lol:
I think I will take my Dana for $150 shipped.
I think I will take my Dana for $150 shipped.
english BB only= American BB with a "euro" adaptor. (English BB= BSA threaded BB, bot a Raleigh or chater lea one...)
As for schlumpfs, they've sold many, worldwide, over many decades. The newest ones are pricey, but they're basically the crank equivalent of a Rohloff SpeedHub. I think Dana bike transmissions are cool (and obviously cheaper), but it is in no way a competitor for a Schlumpf. Schlumpfs are lightweight yet durable performance cranks....
I really like the crank-mounted planetary concept, but imo they're all overpriced and not really my cup o' tea. I like SS, IGH, and even derailer systems more.
As for schlumpfs, they've sold many, worldwide, over many decades. The newest ones are pricey, but they're basically the crank equivalent of a Rohloff SpeedHub. I think Dana bike transmissions are cool (and obviously cheaper), but it is in no way a competitor for a Schlumpf. Schlumpfs are lightweight yet durable performance cranks....
I really like the crank-mounted planetary concept, but imo they're all overpriced and not really my cup o' tea. I like SS, IGH, and even derailer systems more.
SRAM Hammerschmidt has been around for about 6 years, that one is off-road rated plus you can get wider BBs
http://www.sram.com/truvativ/family/hammerschmidt
http://www.sram.com/truvativ/family/hammerschmidt
Man yall must have some serious expendable funds. That one is $668. :shock: :shock:
CCR
Mouth-Breather
Uncle Stretch said:
Dont forget the adapter and a new rear hub if you were running a coaster :wink:
Im sure its got its place in the bike world, overkill for what/where/how I ride.
They nailed the looks though, purdy
Hammerscmidt seems awesome; but it needs ISCG tabs on the BB, or a jury-rigged adaptor. Most frames need a modded BB for a Schlumpf, too. The patterson is the cheapest, and will fit most frames, but it's also the weakest one.
Schlumpf is definitely the hottest, with most options (but, most expensive.)
Schlumpf is definitely the hottest, with most options (but, most expensive.)
