patches Posted June 9, 2013 Posted June 9, 2013 This how Peach would ride his tandem if his wife didn't reign him in.
jannosmit Posted June 9, 2013 Posted June 9, 2013 Kalfi's 29er Tandem, check that road triple crank, can you say speed?
I FLY Posted June 9, 2013 Posted June 9, 2013 Go and play here...... http://www.mtbtandems.com/ and dream.......We have already started this dream . Hopefully will be able to get one next year
PhilipV Posted June 9, 2013 Posted June 9, 2013 Avalanche also has an mtb tandem now. I think around 10-12k? I can'n comment on spec though.
Joeboy69 Posted June 9, 2013 Posted June 9, 2013 I have up on this, couldn't convince GF, fiancé or wife to join me ...
DR ◣◢ Posted June 9, 2013 Posted June 9, 2013 I take it us gravity junkies would fit two dropper posts then?
Dusty Posted June 10, 2013 Posted June 10, 2013 Tandem doing the Freedom Challenge this year. Only the second one ever. Hardcore when you consider having to lug it over 3m game fences.
Big H* Posted June 10, 2013 Posted June 10, 2013 Tandem doing the Freedom Challenge this year. Only the second one ever. Hardcore when you consider having to lug it over 3m game fences. Respect + 100........ Male female Tandem team?
bradwentzel Posted June 10, 2013 Posted June 10, 2013 Kalfi's 29er Tandem, check that road triple crank, can you say speed? Where did he get that fork from?
Dusty Posted June 10, 2013 Posted June 10, 2013 Respect + 100........ Male female Tandem team? Marnitz Nienaber (experienced FC) and his brother
Stretch Posted June 10, 2013 Posted June 10, 2013 Kalfi's 29er Tandem, check that road triple crank, can you say speed? i have never really paid attention to the configuration of a tandem...but does the front guy help turn the crank of the back guy? surely this is inefficient? and surely you have to be in absolute sync..i.e. you cant suddenly stop pedalling as the other person will keep the cranks going
DJR Posted June 10, 2013 Posted June 10, 2013 i have never really paid attention to the configuration of a tandem...but does the front guy help turn the crank of the back guy? surely this is inefficient? and surely you have to be in absolute sync..i.e. you cant suddenly stop pedalling as the other person will keep the cranks going Stoker and captain must pedal at same cadence because front and rear cranks are connected directly by the left side chain, without a freewheel. Stopping pedalling to freewheel, it helps to go to a lower cadence first and not just stop dead. Communication between riders is crucial, even when up or down shifting. Start by stoker clipping in first and stop by captain clipping out first. Standing up to pedal takes some co-ordination at first. I don't even want to imagine the co-ordination needed for jumping the beast! (We did manage to do a very respectable track stand on our road tandem though! It always got us some comments at the traffic lights if we did a track stand while the single riders unclipped and put a foot down.)
Johan Bornman Posted June 10, 2013 Posted June 10, 2013 Where did he get that fork from? That fork looks like a standard Manitou Minute. Way to flimsy for that application. Use a fork fork like Hendrik's Marzocchi 55 or even better, a 66.
GhostRider2 Posted June 10, 2013 Posted June 10, 2013 I don't know anything about tandems. I did however see Northcliff cycles lending a a pair of ladies a tandem to test ride some time back. Perhaps they'll do the same for you. You should give them a call. 011 476 2110
Big H* Posted June 10, 2013 Posted June 10, 2013 Stoker and captain must pedal at same cadence because front and rear cranks are connected directly by the left side chain, without a freewheel. Stopping pedalling to freewheel, it helps to go to a lower cadence first and not just stop dead. Communication between riders is crucial, even when up or down shifting. Start by stoker clipping in first and stop by captain clipping out first. Standing up to pedal takes some co-ordination at first. I don't even want to imagine the co-ordination needed for jumping the beast! (We did manage to do a very respectable track stand on our road tandem though! It always got us some comments at the traffic lights if we did a track stand while the single riders unclipped and put a foot down.) The front crank has a spider on the left hand side with a double spider crank at the back. The left hand cranks have the same size chain blade and a eccentric insert at the front oversized BB shell. The BB is now fitted in this and the offset allows you to set the tension on the left hand side chain. It also allows you to remove the chain and set the crank timing. The stoker has to endure many a chirp from other cyclists on half bicycles that they are not working. They are actually the heart of any Tandem team. When you find your Tandem partner make every effort to keep him/her happy as they are not easy to find. They have almost a total zero frontal vision. They cannot see the road and are totally reliant on the instructions and warnings of the Tandem captain. Later on you become a very focussed Tandem team when intuition changing gears and standing up when cycling uphill. Tandem cycling is a very difficult discipline as it has to cater for the differing styles of two cyclists.
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