Both feature an internally geared hub with a shimanocompatible cassette driver to accept regular shimano cassette sprockets. Please note that radial lacing voids the manufacturers warranty. Sram dualdrive 2 wheelset with shimano xt front wheel, on green atomlab rims and tyres. Sram dual drive ii 5mm rear hub dimensions freespoke.
Sram quit making internalgear hubs in february, 2017, citing a race to the bottom in the market. Shimano is making alfine in 11 speed internal covering a 409% gear range. Sram dualdrive 3 speed left hand trigger shifter out of. The magnesiumcast body measures only 11mm thin and allows plenty of ground clearance in the most aggressive terrains. Alternatively, you may make a claim by contacting sram australia, 6 marco court, rowville 3178, australia. Cassette body accepts 8 9 or 10speed sram and shimano cassettes. Are you looking for excellent service, a great product range and quick delivery. Sram force sram rival sram apex brake caliper 20072012 check brake caliper before ordering. This is where the sram dual drive comes into play, the basic concept is to use a 3 speed hub gear and then mount a 9 speed cassette onto the outside. At youll find a wide choice of highquality sram hub parts. It is important to check the cable adjustment by shifting the hub to the direct drive second gear position. Single and dual sided power meters for shimano, sram.
Sram sachs installing and adjusting cable in shifter chlikbox. Disengage the red location sleeve 43 and pull it off. The sram dualdrive system uses a standard 8 or 9speed cogset mounted on a threespeed internally geared. Changing the gear ratio was traditionally accomplished by a shift lever. So far ive seen one other sram dual drive with a bbs02. The inner gear system diagram it is similar rather t3 than dual drives, judging from those spare parts numbers on sram spareparts list catalogue. Again, i have no data, but the dualdrive seems to be more efficient than the 3x7. In the center of the top is the button for attachingdetaching the clickbox from the shift rod.
Modern mountain bikes have one, two or three, with the latest trend. Pete, the mechanic, shows how to tune and adjust the sram internal 3 speed hub. This rear derailleur is compatible with sram dualdrive shifters. Sram 65 0576 04 200 ball ring ball holder 12 balls. Bleed manual mtb disc brake hose shortening and bleed. Sram claims 96% efficiency in standard mode direct drive or 2 setting.
We sell shimano, sram sachs, sturmeyarcher and rohloff internal gear hubs. Sachs spectro 3x7 is an old version of sram dual drive but have a different diagram of sram dual drive dual drive2. Sram dualdrive 8 speed rear derailleur out of stock. Bicycle gearing is the aspect of a bicycle drivetrain that determines the relation between the. An 11speed sram cassette offered 420% range 1042t, but the 12speed increased that to 500% 1050t. I checked sram 2010 technical manual and it seems different diagram between sram dual drive tillas of. Distance x 100 mm cable housing length l 140 165 mm. The sram documentation aside, lubing the pushrod per the bike friday manual fixed it. Eagle added a 12th cog to the cassette, which is notable itself, but the real news was the size of that gear. The 2015 spare parts manual covers the g8, g9 and dualdrive 3. Last year, sram upped the ante on 1x drivetrains with their highend xx1 and x01 eagle groups. Shifters and other drive train parts sold separately. To make a warranty claim please contact the retailer from whom you purchased this sram product.
It actually attaches to the small shift rod looks like a large straight pin that extends from the center of the axle. Sram hubs are pretty rare in the uk because of the old gentlemens agreement between sa and fichtel and sachs not to market in each others territories. Sturmeyarcher, sachs and sram all have hybrid models on the market although the sram dual drive dd3 seems to have the widest use in america. When in second gear the display window on the box should show two small yellow rectangles in alignment. And products are delivered superfast, usually within 2 business days in the netherlands. Sram claims 96% efficiency in standard mode direct drive or 2. This sram limited warranty is provided in australia by sram llc, w. The sram 3speed, in particular, has higher measured drive efficiency than other 3speed hubs, possibly due to the quality of the machining. Bosch ebike 27 speed sram dual drive 2014 electric bikes. We ride our bikes in the peloton, on the trails and down the mountains. Nov 10, 2017 last year, sram upped the ante on 1x drivetrains with their highend xx1 and x01 eagle groups.
My favorite sachssram hubs are discontinued models the 3 x 7 dualdrive. Sram sachs installing and adjusting cable in shifter. T technology and alloyalloycomposite details, for incredible strength and durability. Most sachssram internalgear hubs are quite rugged, like classic sturmeyarcher hubs, with simple and conservative mechanical design. Myers pumps sra200 lift out rail system sewage, 2 x 2 discharge. The sram dual drive the sram dual drive dd is the outcome of the evolution of the previous sachs 3x7. Its large platform area with 14 pins on each pedal provides superior grip for. This then allows the user the whole 27 gears, giving a much wider range. Converts any existing stages l power meter into a bilateral lr unit. While turning the crank, shift the chain up and down the cassette and chain rings several times to ensure that your derailleur is indexing smoothly. The freewheeling noise is slightly akin to a campagnolo hub than the coffee can of rusty nails sound that the old 3x7 made. Stages l carbon power meters and spindles compatible with sramsram dub, fsa, specialized, easton and race face cranks.
I checked sram 2010 technical manual and it seems different diagram between sram dual drive tillas of mar 2008 and sachs spectro 3 x 7. Bike forums sachs spectro 3 x 7 spare parts question. Tps23881 type4 4pair 8channel poe pse controller with. Sram technical manual gear hub systems english my10 rev. The ultimate guide to mountain bike groupsets bike exchange. Technical manual 2006 assembly hub lace the wheel as normal.
Most sachs sram internalgear hubs are quite rugged, like classic sturmeyarcher hubs, with simple and conservative mechanical design. Make offer sram rival dual pivot brake setpair sram force axs brake calipers, frontrear set, gray, rim new in box. Although we primarily serve the western suburbs of boston, we are also available to cyclists throughout the u. This will ensure it shifts properly and smooth in to all gears. Dualdrive is a drive train consisting of a selfenergized internal hub and rear derailleur for smooth adjustment. Screw lock nut 3 with cassette tool park tool fr5 or sram part no. The gears and lubricants are sealed within the shell of the hub gear, in contrast with derailleur gears where the gears and mechanism are exposed to the elements.
Sram dual drive 3x9 cable box installation and adjustment. Current sense resistor legacy pd capacitance measurement selectable 2pair or 4pair port power allocations 15. By continuing your visit to our site you agree to receive our cookies. A hub gear, internalgear hub, or just gear hub is a gear ratio changing system commonly used on bicycles that is implemented with planetary or epicyclic gears. Sram cant seem to get past 3 internal gears, probably because thats all sachs ever developed before being bought by sram in 1997, and this seems to be their pathetic best effort to compete with broad range urban gearing systems. Modern front and rear derailleurs typically consist of a moveable chainguide that is operated remotely by a bowden.
We sell shimano, sramsachs, sturmeyarcher and rohloff internal gear hubs. As used on the sram dualdrive system, this is a replacement clickbox that the cable attaches to and then drives. I could always feel the drag to some extent when in the 3 or 1 settings on a 3x7. The sram installation manuals can be found online at. Sep 18, 20 after 3000 miles, my dual drive hub was making a faint clicking while pedaling, and the wheel didnt spin freely. The sram dual drive dd is the outcome of the evolution of the previous sachs 3x7. This article will discuss the adjustment of internal geared hubs. The top of the clickbox has the word sram printed in the upper right corner and a window in the lower right corner.
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