Evans Cycles
Evans Cycles

Derailleurs & Mechs

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Shifting between gears in all weathers, front and rear derailleurs - known as 'mechs' - do a sterling job, but are in the firing line of anything your wheels throw up from the road or trail. Mountain bike derailleurs are made to work in all conditions, including mud, rain and grit, and need to be robust enough to take a knock or two from trees and rocks. Road bike mechs don't have to face up to quite the same conditions, but are nevertheless designed to work smoothly under pressure, while being light and functional. In addition, we have spares such as jockey wheels - the little cogs which fit inside the rear mech - and clamps for the front mech. Top brands include Shimano and SRAM.
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Tacx Jockey Wheels - Shimano

Tacx Jockey Wheels - Shimano

Stock information

4.5 (8 reviews)


£17.99
More info on Tacx Jockey Wheels - Shimano
RefOptionAvailability
103160-NA-NA In stock
RefOptionAvailability
120112-NA-BLK Black, Long Cage In stock
120112-NA-SVR Silver, Long Cage In stock

Shimano M772 XT Shadow Design Rear Derailleur - Top Normal

Shimano M772 XT Shadow Design Rear Derailleur - Top Normal

Stock information

4.5 (9 reviews)


£65.49
£72.99 Save 10%!
More info on Shimano M772 XT Shadow Design Rear Derailleur - Top Normal
RefOptionAvailability
120057-SGS-NA Silver & Black, Long Cage In stock
120057-GS-NA Silver & Black, Short Cage Currently unavailable

Shimano SLX M662 Rear Derailleur

Shimano SLX M662 Rear Derailleur

Stock information

4.5 (15 reviews)

In-store price £49.99
Web price £46.99
£54.99 Save 14%!
More info on Shimano SLX M662 Rear Derailleur
RefOptionAvailability
120136-GS-NA GS In stock
120136-SGS-NA SGS In stock
RefOptionAvailability
102035-NA-NA Silver & Black In stock
RefOptionAvailability
102036-NA-NA Silver & Black In stock

Shimano SLX Front Derailleur - Triple Chainset

Shimano SLX Front Derailleur - Triple Chainset

Stock information

4.0 (3 reviews)


£28.49
£31.99 Save 10%!
More info on Shimano SLX Front Derailleur - Triple Chainset
RefOptionAvailability
102040-A-NA Conventional In stock
102041-B-NA Top Swing In stock
RefOptionAvailability
102142-NA-NA In stock

Tacx Jockey Wheels - Shimano

Tacx Jockey Wheels - Shimano

Stock information

5.0 (1 review)


£17.99
More info on Tacx Jockey Wheels - Shimano
RefOptionAvailability
103161-NA-NA In stock

Shimano Deore M591 Top Normal Rear Derailleur

Shimano Deore M591 Top Normal Rear Derailleur

Stock information

4.5 (6 reviews)


£39.99
£44.99 Save 11%!
More info on Shimano Deore M591 Top Normal Rear Derailleur
RefOptionAvailability
120114-SGS-BLK In stock
120114-SGS-SVR In stock

Shimano M771 XT Rear Derailleur - Top Normal

Shimano M771 XT Rear Derailleur - Top Normal

Stock information

4.5 (6 reviews)


£62.99
£69.99 Save 10%!
More info on Shimano M771 XT Rear Derailleur - Top Normal
RefOptionAvailability
120058-GS-NA Silver & Black, Short Cage In stock
120058-SGS-NA Silver & Black, Long Cage Currently unavailable

Shimano 2300 8-speed Front Derailleur - Triple

Shimano 2300 8-speed Front Derailleur - Triple

Stock information

4.5 (4 reviews)

In-store price £19.99
Web price from £17.99
More info on Shimano 2300 8-speed Front Derailleur - Triple
RefOptionAvailability
102084-NA-NA Triple, Braze-on In stock
120087-318-NA Triple, 28.6/31.8mm clamp In stock
RefOptionAvailability
102034-NA-NA Silver/Black, Top Swing In stock

Shimano Ultegra 6700 10-speed Front Derailleur - Double

Shimano Ultegra 6700 10-speed Front Derailleur - Double

Stock information

4.5 (3 reviews)


from £35.99
£39.99 Save 10%!
More info on Shimano Ultegra 6700 10-speed Front Derailleur - Double
RefOptionAvailability
102107-NA-NA Braze-on, Double In stock
120099-318-NA 28.6/31.8mm clamp, Double In stock
120099-349-NA 34.9mm clamp, Double Currently unavailable

Shimano M770 XT Rear Derailleur - Low Normal

Shimano M770 XT Rear Derailleur - Low Normal

Stock information

4.5 (6 reviews)


£62.99
£69.99 Save 10%!
More info on Shimano M770 XT Rear Derailleur - Low Normal
RefOptionAvailability
120059-GS-NA Silver & Black, Short Cage In stock
120059-SGS-NA Silver & Black, Long Cage In stock

SRAM X4 Rear Mech

SRAM X.4 Rear Mech

Stock information

5.0 (1 review)


£24.99
More info on SRAM X.4 Rear Mech
RefOptionAvailability
102231-NA-NA Long In stock

Shimano 2300 8-speed Front Derailleur - Double

Shimano 2300 8-speed Front Derailleur - Double

Stock information

4.0 (3 reviews)

In-store price £16.99
Web price from £14.99
More info on Shimano 2300 8-speed Front Derailleur - Double
RefOptionAvailability
102083-NA-NA Double, Braze-on In stock
120086-318-NA Double, 28.6/31.8mm clamp In stock

SRAM X.9 Jockey Wheels

SRAM X.9 Jockey Wheels

Stock information

4.0 (1 review)


£19.99
More info on SRAM X.9 Jockey Wheels
RefOptionAvailability
103163-NA-NA In stock

Campagnolo Front Mech Clamp

Campagnolo Front Derailleur Clamp

Stock information

4.5 (5 reviews)


£12.99
£14.75 Save 11%!
More info on Campagnolo Front Derailleur Clamp
RefOptionAvailability
120077-32-BLK Black, 32 mm In stock
120077-35-BLK Black, 35 mm In stock
120077-32-SVR Silver, 32 mm In stock
120077-35-SVR Silver, 35 mm In stock

Shimano 105 5700 Rear Derailleur

Shimano 105 5700 Rear Derailleur

Stock information

4.5 (7 reviews)


from £44.99
£49.99 Save 10%!
More info on Shimano 105 5700 Rear Derailleur
RefOptionAvailability
131955-GS-SVR Silver, Medium Cage In stock
131955-SS-SVR Silver, Short Cage In stock
131955-SS-BLK Black, Short Cage Discontinued
131955-GS-BLK Black, Medium Cage Discontinued

Shimano Dura-Ace 7900 Rear Derailleur

Shimano Dura-Ace 7900 Rear Derailleur

Stock information

4.5 (2 reviews)


£152.99
£169.99 Save 10%!
More info on Shimano Dura-Ace 7900 Rear Derailleur
RefOptionAvailability
120115-SS-NA Short Cage In stock
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