Rockshox - Rear Shock Damper Shaft Assembly - Steel (Includes Steel Bl

Rockshox - Rear Shock Damper Shaft Assembly - Steel (Includes Steel Blank Damper Shaft, Needle, Rebound Knob, Bushing) - Deluxe Coil B1+, Super Deluxe Coil B1+ (2023+), Vivid Coil C1 (2025+)

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£51.00

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Size — 67.5-75MM

67.5-75MM 57.5-65MM 37.5-45MM 47.5-55MM

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Size breakdown

XS: Chest 34–36" (86–91cm). Ultra-close race fit for lean frames. Deep sleeveless armholes sit high and forward for total shoulder freedom without riding up during hard efforts.

S: Chest 36–38" (91–96cm). Streamlined sleeveless cut with clean torso drape. Perfect for athletic builds needing maximum airflow and motion without excess fabric catching air.

M: Chest 38–40" (96–102cm). Balanced slim sleeveless fit that contours the chest while allowing muscle flex at pace. Ventilated arm openings enhance breathability for tempo and intervals.

L: Chest 40–42" (102–107cm). Maintains race shaping through sleeveless torso and waist, with added coverage for broader shoulders. Armholes stay secure without gaping on longer torsos.

Details | Features | FAQ

Product details

Size breakdown

XS: Chest 34–36" (86–91cm). Ultra-close race fit for lean frames. Deep sleeveless armholes sit high and forward for total shoulder freedom without riding up during hard efforts.

S: Chest 36–38" (91–96cm). Streamlined sleeveless cut with clean torso drape. Perfect for athletic builds needing maximum airflow and motion without excess fabric catching air.

M: Chest 38–40" (96–102cm). Balanced slim sleeveless fit that contours the chest while allowing muscle flex at pace. Ventilated arm openings enhance breathability for tempo and intervals.

L: Chest 40–42" (102–107cm). Maintains race shaping through sleeveless torso and waist, with added coverage for broader shoulders. Armholes stay secure without gaping on longer torsos.

Returns & Exchange

Many of the listed products and sizes are made to order. This information is specified in each product's details.

Made-to-order items are non-refundable. Instead, we will produce and ship a replacement piece at our own cost in the following cases:

the parcel was lost by courier (proof will be provided by the courier after an investigation)
you have received a wrong product (please inform us on the mistake and ship the item back within 14 days from its delivery following our return shipping instructions)
you have received a defective item* (please inform us on the defect and ship the piece back within 14 days from its delivery following our return shipping instructions)

*Please note that we often use alternative finishing (raw edges, exposed seams, hand-dyed fabrics etc.) which is featured in product images and cannot be considered a defect. Please specify your claim in your request, and only ship the item back if we agree that it is defective and should be replaced)

We will make a financial refund in the following cases:

the loss of the parcel has been investigated by the courier for more than 2 months, and you disagree to receive a replacement item
we are unable to produce a replacement item (a reason will be provided)

For products that are in stock by the moment of your purchase, standard return terms are applied. The stock status of each product and size is specified in the product information. You will receive a full refund, excluding shipping cost, after sending a purchased item back, provided that it is unworn, undamaged and all the labels and packaging are kept. If you wish to receive a different size, please specify that in your request and we'll produce a replacement for you after receiving a return.

Terms of Shipping

Payment Methods

We gladly accept major credit and debit cards, including Visa, Mastercard, and American Express, alongside digital payment options such as Apple Pay, Shop Pay, and AfterPay (available in the US and Canada). PayPal is offered for customers in the US, UK, and Canada. Please note that prepaid gift cards, checks, and money orders are not supported at this time.

Shipping Destinations

Our products are available for delivery across the continental United States, Hawaii, Alaska, Puerto Rico, Canada, the United Kingdom, Ireland, the Netherlands, Australia, and France. Shipments to Hawaii, Alaska, Australia, and U.S. territories may take slightly longer to arrive. For security and reliability, we are unable to deliver to P.O. boxes or freight forwarding addresses, and cannot assume responsibility for parcels lost or damaged by such services.

Shipping Notes

Please be aware that fragrance items travel exclusively via ground shipping, and orders containing Retrospect are not eligible for expedited delivery.

Delivery Partners

We collaborate with a network of trusted global carriers, including DHL, FedEx 2-Day, USPS, CDL, Evri, DPD, and Passport, to ensure every package arrives safely and on time.

Extremely breathable

Breathable fabrics for your skin

Signature details

Stand out with Vortex holographic accents

Recycled fabrics

Each item repurposes up to 10 plastic bottles

Unbox sustainability with

Eco-friendly packaging

Minimalist design uses compostable tape and paper fillers, keeping your gear safe while leaving no landfill trace. Fully biodegradable in 90 days.

Ideal running conditions
1

For urban runs

Vortex tanks excel on city streets and pavement, where deep armholes and laser perforations keep you cool amid heat-trapping concrete.
2

For trail adventures

Hit muddy trails or rocky paths with confidence—the durable weave resists tears while body-mapped ventilation fights buildup in rugged terrain.

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Usage

From urban pavement to muddy trails, rocks to gravel. Through heat, sweat, and endless air. This is the Vortex tank we grab every time—for daily training, steady miles, and that quiet runner's high. Soft. Breathable. It's OK to run in cotton.

Technology

VortexTech™
Engineered to mirror the wear patterns of tanks shaped by years of motion.

Our ventilation system is body mapped and precision cut, openings placed where heat builds and where effort peaks. These “moth” perforations move air without breaking rhythm.

Features

Precision-engineered for Vortex tanks to maximize airflow and unrestricted movement in every stride.

Strategic body-mapped laser perforations boost cooling exactly where heat surges during peak efforts.

Removable external care label eliminates irritation—pure focus, zero distractions.

Composition & Care

Organic Combed Cotton / Origin Portugal
- 100% Cotton

Do not bleach

No dry-cleaning

Iron low heat on the reverse side

Do not tumble Dry

Machine wash cold (30° max)

Sustainability

Crafted ethically in California. This Vortex tank softens with every run. The more miles you log in it, the better it becomes

Warranty

Vortex tanks come with a lifetime warranty against manufacturing defects, ensuring your gear performs run after run. If issues arise from normal use—like seam failure or fabric breakdown—contact support for free repair or replacement within 30 days of notice.

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