In designing an upgraded hubset for our pro-proven Firecrest wheel lineup, we turned to our engineering colleagues at SRAM's development center in Schweinfurt, Germany. The result is the ZR1 hubsets for disc and rim-brake wheels. This hubset features better seal design for improved durability and quicker response with 66 points of engagement. Our engineers spent more than two years developing the ZR1. Proving the durability of the hubset included more than 58,500km of test riding, part of 3,222 hours of total testing. The ZR1 features key technology from Zipp's Cognition hubs. The seal design is the same as the Cognition, with a large dust cap at the base of the driver body and better bearing seals for more protection. The bearing size also is the same as the Cognition, although the Cognition uses a premium bearing. The six pawls are offset to work in two groups of three pawls. At any time, there are always three pawls engaging. This design creates a quick engagement feel, with 66 points of engagement. The driver body is designed so pawls stay in place for disassembly to make service convenient. Zipp hubs are designed to use J-bend spokes, the most popular type of spokes today. J-Bend, widely available, are easier to replace.
FEATURES
- Better sealing, increasing durability over previous hub model
- Quick engagement for a responsive ride
- Light weight
- Same bearing size and caps as premium-level Cognition hub
- e-bike certified
- Disc brake hub with Center locking rotor interface. The lock ring is included
- Disc and rim brake variants
- Through axles or QR with removable end caps
- XDR or SRAM / Shimano variants
- Lifetime Warranty
SPECIFICATIONS
Orientation: Front
Axle type: TA 12x100
Spoke holes: 28
Brake compatibility: Disc (Center Lock)
Driver body type: n/a
Over Locknut Material: n/a
Color (hub): Black
Driver Mechanism: n/a
Axle material: Aluminum front & rear
Axle - Convertible: No
Driver body material: n/a
Hub shell: Aluminum – Angled flanges – Fully machined
OLD: 100mm
Bearings: Cartridge - Steel
Power Measurement: Not Compatible
Just above the 'Add to basket' button you will see the item availability. We have 3 different availability stock flags on our website which will determine how long an order will take to arrive.
In Stock in Kircaldy Shop
This means that we physically have the item in the shop. If you choose one of our Priority Delivery options then you can expect your order within 1 to 3 working days. If you choose a Non Priority Delivery service you can expect your order within 3 to 5 working days.
In Stock at Supplier
Our stock system is linked in with our suppliers stock system which allows us to offer a wider product range, but does increase the delivery times a little. If you choose one of our Priority Delivery options you can expect the order within 3 to 5 working days. If you choose Non Priority Delivery you can expect the order within 5 to 10 working days, although this is completely determined by the speed of the item coming from our supplier.
Out of Stock
This means that both ourselves and our suppliers are out of stock of the item. Although the website won't allow you to order something with this stock flag you are more than welcome to contact us with the Product ID. We may be able to back order it for you, or at least see if we can provide an estimated restocking date.
If you need an order quicker than this please email us with the product ID to find out if this is possible to avoid disappointment.
What about bikes?
We aim to dispatch all bikes within 5 working days, but during busy periods we may have a few builds in the queue and could take a bit longer. If this is a concern or you need the bike before a certain date then please email us to make sure we can achieve this and avoid any disappointment. We will email you the day of dispatch and you can expect the bike the following day. If you provide a mobile number on your order the courier will also send you a text message 1 hour before delivery so you know exactly what time to expect it.
Who do you use to send orders?
We use Royal Mail for most of your orders unless they are bulky or valuable, in which case we will send the order using DPD. You can also specify DPD at checkout if you prefer to have your item delivered with an hours notice in the form of email or text from the courier.
Mountain Bike (Hardtail & Full Suspension) | |||
---|---|---|---|
Rider Height | Frame Size | ||
4' 10" - 5' 2" | 148 - 158cm | 13-14" | XS |
5' 2" - 5' 6" | 168 - 168cm | 15-16" | S |
5' 6" - 5' 10" | 168 - 178cm | 17-18" | M |
5' 10" - 6' 1" | 178 - 185cm | 19-20" | L |
6' 1" - 6' 4" | 185 - 193cm | 21-22" | XL |
6' 4" - 6' 6" | 193 - 198cm | 23-24" | XXL |
Women's Mountain Bike (Hardtail & Full Suspension) | |||
---|---|---|---|
Rider Height | Frame Size | ||
4' 10" - 5' 2" | 148 - 158cm | 13-14" | XS |
5' 2" - 5' 6" | 168 - 168cm | 15-16" | S |
5' 6" - 5' 10" | 168 - 178cm | 17-18" | M |
5' 10" - 6' 1" | 178 - 185cm | 19"+ | L |
Road Bike Sizing | |||
---|---|---|---|
Rider Height | Frame Size | ||
4' 10" - 5' 0" | 148 - 152cm | 47 - 48cm | XXS |
5' 0" - 5' 3" | 152 - 160cm | 49 - 50cm | XS |
5' 3" - 5' 6" | 160 - 168cm | 51 - 53cm | S |
5' 6" - 5' 9" | 168 - 175cm | 54 - 55cm | M |
5' 9" - 6' 0" | 175 - 183cm | 56 - 58cm | L |
6' 0" - 6' 3" | 183 - 191cm | 58 - 60cm | XL |
6' 3" - 6' 6" | 191 - 198cm | 61 - 63cm | XXL |
Womens Road Bike Sizing | |||
---|---|---|---|
Rider Height | Frame Size | ||
4' 10" - 5' 1 " | 147 - 155cm | 44 - 46cm | XXS |
5' 1 " - 5' 3" | 155 - 160cm | 47 - 49cm | XS |
5' 3" - 5' 5 " | 160 - 165cm | 50 - 52cm | S |
5' 5 " - 5' 8 " | 165 - 172cm | 53 - 55cm | M |
5' 8 " - 5' 10" | 172 - 180cm | 56 - 57cm | L |
Hybrid Bike Sizing | ||||
---|---|---|---|---|
Rider Height | Frame Size | |||
4' 10" - 5' 1" | 147 - 155cm | 13-14" | 47 - 49cm | XS |
5' 1" - 5' 5" | 155 - 165cm | 15-16" | 50 - 52cm | S |
5' 5" - 5' 9" | 165 - 175cm | 17-18" | 53 - 54cm | M |
5' 9" - 6' 0" | 175 - 183cm | 19-20" | 55 - 57cm | L |
6' 0" - 6' 3" | 183 - 191cm | 21-22" | 58 - 61cm | XL |
6' 3" - 6' 6" | 191 - 198cm | 23-25" | 61 - 63cm | XXL |
Children's Bike Sizing | |||
---|---|---|---|
Age & Height | Wheel Size | ||
2 - 5 years | 2' 10" - 3' 7" | 85 - 110cm | Balance Bike |
2 - 4 years | 2' 10" - 3' 4" | 85 - 100cm | 12" wheel |
3 - 5 years | 3' 1" - 3' 7" | 95 - 110cm | 14" wheel |
5 - 7 years | 3' 7" - 4' 0" | 110 - 120cm | 16" wheel |
7 - 9 years | 4' 0" - 4' 5" | 120 - 135cm | 20" wheel |
9 - 11 years | 4' 5" - 4' 9" | 135 - 145cm | 24" wheel |
11+ years | 4' 9" + | 145cm + | 26" wheel |
Men's Clothing
Apparel | ||||||
---|---|---|---|---|---|---|
S | M | L | XL | XXL | ||
Chest (1) | 36.5 - 38" | 38 - 39.5" | 39.5 - 41" | 41 - 42.5" | 42.5 - 44" | |
Waist (2) | 30.5 - 32" | 32 - 33.5" | 33.5 - 35" | 35 - 36.5" | 36.5 - 38" | |
Hip (3) | 36.5 - 38" | 38 - 39.5" | 39.5 - 41" | 41 - 42.5" | 42.5 - 44" | |
Inseam (4) | 31.5" | 32" | 32.5" | 33" | 33.5" |
Gloves | ||||||
---|---|---|---|---|---|---|
S | M | L | XL | XXL | ||
Inch | 7.25 - 8" | 8 - 8.75" | 8.75 - 9.5" | 9.5 - 10.25" | 10.25 - 11" | |
CM | 18.5 - 20.3 | 20.3 - 22.2 | 22.2 - 24 | 24 - 26 | 26 - 28 | |
EUR Size | 7.5 - 8 | 8.5 - 9 | 9.5 - 10 | 10 - 10.5 | 11 |
Footwear | ||||||||
---|---|---|---|---|---|---|---|---|
EUR | 41 | 42 | 42.5 | 43 | 44 | 45 | 45.5 | 46 |
US | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 |
UK | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 |
Length(cm) | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 |
Women's clothing
Apparel | |||||||
---|---|---|---|---|---|---|---|
XS | S | M | L | XL | XXL | ||
Chest (1) | 31 - 33" | 33 - 35" | 35 37.5" | 37.5 - 40" | 40.5 - 42.5" | 42.5 - 45" | |
Waist (2) | 23 - 25" | 25 - 27" | 27 - 29.5" | 29.5 - 32" | 32 - 34.5" | 34.5 - 37" | |
Hip (3) | 33 - 35" | 35 - 37" | 37 - 39" | 39.5 - 42" | 42 - 45" | 45 - 47.5" | |
Inseam (4) | 29" | 29.5" | 30" | 30.5" | 31" | 31.5" |
Gloves | ||||
---|---|---|---|---|
S | M | L | ||
Inch | 6.5 - 7.25 | 7.25 - 8" | 8 - 8.75" | |
CM | 16.5 - 18.4 | 18.4 - 20.3 | 20.3 - 22.9 | |
EUR Size | 6.5 - 7 | 7.5 - 8 | 8.5 - 9 |
Footwear | ||||||||
---|---|---|---|---|---|---|---|---|
EUR | 37 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 |
US | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 |
UK | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 |
Length(cm) | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 |
Kids
Apparel | ||||
---|---|---|---|---|
S | M | L | XL | |
Age | 7/8 yrs | 10 yrs | 12 yrs | 14 yrs |
Chest | 25 - 26.5" | 26.5 - 28.5" | 28.5 - 29.5" | 29.5 - 32" |
Waist | 23 - 24.5" | 24.5 - 25.5" | 25.5 - 26.5" | 26.5 - 28.5" |
Height | 48 - 54" | 54 - 57" | 57 - 60" | 60 - 62" |
Weight | 49 - 59lbs | 59 - 75lbs | 75 - 89lbs | 89 - 100lbs |
Unisex
Arm Length is measured shoulder to wrist with arm bent at 90deg
**: Knee and Leg length is measured according to garment length.
*: Circumference
Knee Warmers | ||||||
---|---|---|---|---|---|---|
XS | S | M | L | XL | ||
Length ** | 14.25" | 15.25" | 16.25" | 17.25" | 18.25" | |
Thigh (b)* | 19.5" | 21.25" | 23" | 24.75" | 26.5" | |
Calf (c)* | 13.25" | 14" | 14.75" | 15.5" | 16.5" |
Arm Warmers | ||||||
---|---|---|---|---|---|---|
XS | S | M | L | XL | ||
Arm Length (a) | 23.5" | 24" | 24.5" | 25.25" | 26" | |
Bicep | 12" | 12.5" | 13" | 13.5" | 14.25" | |
Wrist | 6.75" | 7" | 7.25" | 7.5" | 7.75" |
Leg Warmers | ||||||
---|---|---|---|---|---|---|
XS | S | M | L | XL | ||
Length ** | 23" | 24" | 25" | 26" | 27" | |
Thigh (b)* | 19.5" | 21.25" | 23" | 24.75" | 26.5" | |
Ankle (c)* | 9" | 9.5" | 10" | 10.5" | 11" |
Socks | ||||
---|---|---|---|---|
S | M | L | XL | |
US Mens | n/a | 6 - 8 | 8 - 10 | 10+ |
US Womens | 5 - 7 | 7 - 9 | 9+ | n/a |
EUR | 35 - 38 | 38.5 - 41 | 41 - 44 | 44+ |
UK | 2.5 - 4 | 4.5 - 6.5 | 7 - 10 | 10+ |
Overshoes | |||||
---|---|---|---|---|---|
S | M | L | XL | XXL | |
US Mens | < 6 | 6.5 - 8 | 8.5 - 10 | 10.5 - 12 | 13+ |
US Womens | < 8 | 8.5 - 10 | 10.5 - 12 | n/a | n/a |
EUR | < 39 | 39.5 - 42 | 42.5 - 44 | 44.5 - 46 | 46.5+ |
UK | < 5.5 | 6 - 7.5 | 8 - 9 | 8.5 - 11 | 10+ |
*subject to status, minimum spend applies
Click here for full details.
See our finance info page for details
- Classic Credit 48 Months 15.9% on most orders where the goods total is £1999.00 or more
- Classic Credit 36 Months 15.9% on most orders where the goods total is £1499.00 or more
- Interest Free Finance (24 Months) on most orders where the goods total is £2999.00 or more
- Interest Free Finance (18 Months) on most orders where the goods total is £1999.00 or more
- Interest Free Finance (12 Months) on most orders where the goods total is £999.00 or more
- Interest Free Finance (10 Months) on most orders where the goods total is £899.00 or more
- Interest Free Finance (6 Months) on most orders where the goods total is £500.00 or more