MTB

First look: Shimano XTR race components

Thursday, May 9th, 2013 1:54pm
Category: MTB

First look: Shimano XTR race components
New lightweight brakes, drivetrain parts and carbon wheels – this one’s for the weight weenies.

Shimano have taken the lightweight race version of their XTR groupset, removed some of its weight and unbelievably added a whole lot more performance! Shimano XTR M980 now has overhauled hydraulic disc brake components, new drivetrain components including a lighter bottom bracket and more durable chain, as well as ultra-lightweight carbon tubular 29” wheels.

Let’s have a closer look…

Disc brakes shave the fat

M987, uses a magnesium caliper and master cylinder construction, dropping the weight by 40g per wheel

Shimano’s lightest ever hydraulic disc brake, the M987, uses a magnesium caliper and master cylinder construction, dropping the weight by 40g per wheel while maintaining system stiffness and control by properly managing heat.

 It’s not just the working end of the brake that’s been on a diet either – the lean new BL-M987 hydraulic disc brake lever has carbon fibre blades and titanium fasteners too

It’s not just the working end of the brake that’s been on a diet either – the lean new BL-M987 hydraulic disc brake lever has carbon fibre blades and titanium fasteners too. 

FREEZA tech for maximum heat loss

Benefitting from trickle-down technology as raced by the guys on the World Cup downhill circuit, the SM-RT99 finned ICE Technologies disc brake rotor is now available at the XTR level. The SM-RT99-S (140mm) Ice Technology rotor uses Shimano’s FREEZA technology – a sandwich construction with an aluminium radiator fin that reduces heat by 40 degrees compared to rotors without FREEZA. Why’s this good? The improved heat reduction means you can now run a smaller rotor than usual, with the same performance and a lighter weight. Sounds good to us!

Lightweight 29er wheels join the party

Developed by the fastest cross-country racers and designed for the best in the world, the new limited edition XTR WH-M980 carbon tubular 29” race wheels raise the bar for 29” wheel performance. 

Featuring a super lightweight (280g) full-carbon offset rim with 28 spokes laced to a quick engagement freehub body for perfect traction, these wheels will blow you away. Available in 15mm front and 12mm or QR rear, wheelset weights are 1349 grams for the front 15mm/ rear 12mm axle wheel set and 1298 grams for the front 15mm/ quick release rear axle wheel set.

What else?

Shimano’s CN-M981 chain now uses a new surface technology called Sil-tec, as used on the Dura-Ace 9000 chain. Sil-Tec technology adds a low friction surface treatment that runs smoother and lasts longer. It is a directional chain for optimized shifting performance at the front and rear derailleur and uses hollow pins to reduce weight. 

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