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Campagnolo Chorus Group

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  Chorus Groupset

For all intents and purposes the Chorus™ groupset is for competitions. The wide recourse to composite materials, the technical solutions adopted and the use of the most advanced construction technologies make it a star product.

A groupset includes: Rear mech, Front mech, Levers & Cables, Calipers, Chainset, Bottom Bracket, Cassette & Chain

Price £696.95

Technical specifications
Component Options Description Weight (g) *
CHORUS™ rear derailleur 10s short cage Upper to lower pulley-axle: 55 mm - composite outer plate 202
CHORUS™ rear derailleur 10s medium cage Upper to lower pulley-axle: 72,5 mm - composite outer plate 205
CHORUS™ QS™ 9s/10s front derailleur braze-on / clip-on: Ø 32 - 35 mm for double standard crankset - capacity 15 – max. chainring 54 - min. chainring 39 - light alloy fork with antifriction treatment 74
CHORUS™ CT™ QS™ front derailleur braze-on / clip-on: Ø 32 - 35 mm for CT™ crankset - capacity 16 – max. chainring 50 - min. chainring 34 - light alloy fork with antifriction treatment 78
CHORUS™ QS™ Ergopower™ 10s Controls for caliper brakes - double/triple crankset compatible – composite body – composite levers - light alloy hardware - ErgoBrain 10™ computer ready 348
CHORUS™ 10s Ergopower FB™ Controls for caliper brakes - double/triple crankset compatible – alu-composite body – aluminium brake lever - light alloy small parts - requires QS™ derailleur 320
RECORD™ front hub 32 - 36 holes light alloy axle and body - adjustable bearings - quick-release with aluminum lock nuts - O.L.D.: 100mm 116
RECORD™ rear hub 32 - 36 holes 10s - light alloy body, axle and one-piece freewheel body - adjustable bearings - quick-release with aluminum lock nuts - lockring thread 27x1 - O.L.D.: 130mm 231
CHORUS™ sprockets UD™ 10s steel 11-23, 11-25, 12-25, 13-26, 13-29 Ultra·Drive™ - nickel-chromed finish - light alloy carrier - supplied without lockring (except for 11-23 and 11-25) 220
  CHORUS™ Ultra Narrow™ chain 10s - width 5,9 mm - Ni-PTFE Finish - 114 links - Ultra·Drive™ - HD-Link™ for Ultra Narrow™ chain - lightened links 2,36 **
CHORUS™ ULTRA-TORQUE™ Carbon 10s crankset 170, 172.5, 175 mm 39-52, 39-53 composite crankarms - Ultra·Drive™ EPS™ chainrings - integrated ULTRA-TORQUE™ semi-axles - requires ULTRA-TORQUE™ BB overboard cups 679
CHORUS™ ULTRA-TORQUE™ CT™ CARBON Crankset 170, 172.5, 175 mm 34-48, 34-50, 36-50 composite crankarms - Ultra·Drive™ EPS™ chainrings - integrated ULTRA-TORQUE™ semi-axles - requires ULTRA-TORQUE™ BB overboard cups - requires CT™ front derailleur 679
RECORD™ ULTRA-TORQUE™ BB overboard cups ITA , ENG aluminium 49
CHORUS™ Pro-Fit PLUS™ pedals steel axle - light alloy body - with floating cleats (standard) or fixed cleats (optional) - composite axle fixing nut - polished aluminum finish - left axle compatible with the ErgoBrain™ magnet 325
CHORUS™ brakes - D SKELETON™ 13,5 - 18,5 - 24 mm brake-pad height adjustment ratio: 40÷50 mm (measured from brake fixing-bolt to brake-shoe-nut) - brake pads orbital adjustment - lightened rear brake 326
CHORUS™ Carbon seat post 27,2/250 - 31,6/350 - 32,4/350 composite tube - clamp for seat tube - knurling pitch: 0.5 mm 195
CHORUS™ THREADLESS™ headset 1" - for unthreaded fork tube - height 24.5mm - patent pending system - steel cover and light alloy fixing screw 117
CHORUS™ HIDDENSET™ headset 1-1/8" , 1-1/8" TTC internal headset for unthreaded fork tube - version 1-1/8”: height 5.9 mm, version 1-1/8” TTC™: height 15,9 mm - patent pending system - steel and light alloy fixing screw light alloy cap - 1-1/8” TTC™ without bolt washer and nut set 82
CHORUS™ water-bottle holder carbon and composite, supplied with water-bottle 29
Record™ cable guide plate to fit under bottom bracket shell - composite, suitable to oversize shells 5
Cables and casings Cables and prelubricated casings 0

* The nominal weight refers to the lighter specification among the available options. The weight of the hubs does not includes the quick-release.
The nominal weight does not take account of the sometimes considerable quantities of grease used in the assembly of the products.
** Example: 2,39 x 108 links = 258 g
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