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[[Image:Sachs Elan (aka SRAM Spectro E12).JPG|thumb|Sachs Elan, also known as SRAM Spectro E12, a 12 speed epicyclic internal gear hub, in coaster brake version, without auxiliary components.]]
The '''Sachs Elan''' was a [[Epicyclic gearing|epicyclic]] internal [[hub gear]] for [[bicycle]]s, introduced by Sachs in 1995 and manufactured until 1998. With its 12 speeds and an overall range of 339% it was the most advanced epicyclic hub gear at the time, and the first hub gear commercially available with more than 7 speeds.
The '''Sachs Elan''' was an [[Epicyclic gearing|epicyclic]] internal [[hub gear]] for [[bicycle]]s, developed and manufactured by the bicycle division of the German company [[Fichtel & Sachs]]. It was considered heavy and production units were plagued with quality issues. The gear hub was discontinued before the turn of the 2000 millennium.


==History==
⚫
The Elan was unreliable, and weighed a full 3.4 kg (7 1/2 pounds), 4 kg with an integrated coaster brake.<ref name="SB">https://sheldonbrown.com/elan.html</ref>
The Elan was introduced in 1995 and manufactured until 1998. With its 12 speeds and an overall range of 339%<ref name="S99">[http://www.sram.com/_media/pdf/sram/dealers/DTM_GHS_E_99.pdf DEALER TECHNICAL MANUAL] {{webarchive|url=https://web.archive.org/web/20110111195452/http://www.sram.com/_media/pdf/sram/dealers/DTM_GHS_E_99.pdf |date=2011-01-11 }}, SRAM, 1999</ref> it was the most advanced epicyclic hub gear at the time, and the first hub gear commercially available with more than 7 speeds.


After SRAM took over Sachs, the Elan was sold under the name E12.<ref name="SB" />
After [[SRAM Corporation]] took over ownership of the German bicycle component manufacturer, the Elan was sold under the name Spectro E12.<ref name="S99" /><ref name="SB" />


The Elan recieved a blow with the introduction of the [[Rohloff Speedhub|Speedhub 500/14]] by Rohloff, a technically more advanced product, and was discontinued in 2000.
The Elan received a blow with the introduction of the [[Rohloff Speedhub|Speedhub 500/14]] by the then small [[family-owned]] company [[Rohloff AG]] of Hessen, Germany, a technically more advanced product, and was discontinued before the turn of the 2000 millennium.

==Specifications==
⚫
Weight was a full 3.4&nbsp;kg (7 1/2 pounds) and 4&nbsp;kg with an integrated [[coaster brake]].<ref name="SB">{{Cite web|url=https://www.sheldonbrown.com/elan.html|title=The Sachs Elan 12-speed hub|website=www.sheldonbrown.com}}</ref>

'''[[Gear ratio]]s'''
{| class="wikitable"
|-
! Speed
! Ratio
! Percentage diff.
|-
| 1
| 1,433
|
|-
| 2
| 1,174
| 22,1%
|-
| 3
| 1
| 17,4%
|-
| 4
| 0,848
| 17,9%
|-
| 5
| 0,75
| 13,1%
|-
| 6
| 0,675
| 11,1%
|-
| 7
| 0,62
| 8,9%
|-
| 8
| 0,566
| 9,5%
|-
| 9
| 0,522
| 8,4%
|-
| 10
| 0,485
| 7,6%
|-
| 11
| 0,451
| 7,5%
|-
| 12
| 0,423
| 6,6%
|}


==Versions==
==Versions==
*MH 12110 with coaster brake
*MH 12110 with coaster brake
*MH 12010 without coaster brake
*MH 12010 without coaster brake

== See also ==
* [[Comparison of hub gears]]


==References==
==References==
{{reflist}}
{{reflist}}


==Eksternal links==
==External links==
*[http://bernd.sluka.de/Fahrrad/Elan/index.html Technical documents]
*[http://bernd.sluka.de/Fahrrad/Elan/index.html Technical documents]
*[https://sheldonbrown.com/elan.html Pictures of internal mechanisms]
*[http://sheldonbrown.com/sachs-elan/index.html Pictures of internal mechanisms]
*[http://sheldonbrown.com/elan.html John Allen's presentation of the product]


[[Category:Bicycle parts]]
[[Category:Hub gears]]
[[Category:Gears]]
[[Category:1995 introductions]]
[[Category:Discontinued products]]
[[Category:Epicyclical gearing]]
[[Category:SRAM Corporation]]

Latest revision as of 04:22, 23 August 2022

Sachs Elan, also known as SRAM Spectro E12, a 12 speed epicyclic internal gear hub, in coaster brake version, without auxiliary components.

The Sachs Elan was an epicyclic internal hub gear for bicycles, developed and manufactured by the bicycle division of the German company Fichtel & Sachs. It was considered heavy and production units were plagued with quality issues. The gear hub was discontinued before the turn of the 2000 millennium.

History

[edit]

The Elan was introduced in 1995 and manufactured until 1998. With its 12 speeds and an overall range of 339%[1] it was the most advanced epicyclic hub gear at the time, and the first hub gear commercially available with more than 7 speeds.

After SRAM Corporation took over ownership of the German bicycle component manufacturer, the Elan was sold under the name Spectro E12.[1][2]

The Elan received a blow with the introduction of the Speedhub 500/14 by the then small family-owned company Rohloff AG of Hessen, Germany, a technically more advanced product, and was discontinued before the turn of the 2000 millennium.

Specifications

[edit]

Weight was a full 3.4 kg (7 1/2 pounds) and 4 kg with an integrated coaster brake.[2]

Gear ratios

Speed Ratio Percentage diff.
1 1,433
2 1,174 22,1%
3 1 17,4%
4 0,848 17,9%
5 0,75 13,1%
6 0,675 11,1%
7 0,62 8,9%
8 0,566 9,5%
9 0,522 8,4%
10 0,485 7,6%
11 0,451 7,5%
12 0,423 6,6%

Versions

[edit]
  • MH 12110 with coaster brake
  • MH 12010 without coaster brake

See also

[edit]

References

[edit]
  1. ^ a b DEALER TECHNICAL MANUAL Archived 2011-01-11 at the Wayback Machine, SRAM, 1999
  2. ^ a b "The Sachs Elan 12-speed hub". www.sheldonbrown.com.
[edit]
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