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BOX Two Prime 9 Speed Derailleur, X-Wide Cage, Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 571632
Prime 9 Technology for less derailleur travel and better chainline, less wear, and improved lifespan Box Two features: Tri-Pack limited slip … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
In Store
BOX BX-DR2-P9AXWC-BK
Ships Freeyour price $141.99 + ships free
BuyPART NUM 571632 
Box Three Prime 9 X-Wide Multi Shift Group Set, Matte Black BuyPART NUM 610880
Wide range 9 speed multi-shift group with up to 3 gears per shift Simple durable performance without all the bells and whistles Includes … read more
your price $214.99 + ships free
BuyPART NUM 610880 
BOX Eclipse Linear Pull Brake 108mm Reach Black BuyPART NUM 655969
BOX Linear Pull Brakes 35 millimeters of vertical brake pad adjustment Precision sealed bearing pivots Titanium and stainless steel … read more
your price $119.99 + ships free
BuyPART NUM 655969 
Box One XS Mini Threadless Carbon Fork, 20" x 10mm, 1", Black BuyPART NUM 841072
Rider-specific designs that are strong, lightweight and extremely reliable, to meet the demands of elite and professional racers Features … read more
One remaining at this priceyour price $329.99 + ships free
BuyPART NUM 841072 
BOX Two Prime 9 Rear Shifter, Single Shift, Black BuyPART NUM 396353
Prime 9 Technology for greater simplicity and durability Available in single shift option for eMTB to keep the user from shifting multiple … read more
your price $62.99
BuyPART NUM 396353 
BOX Box One 3/32" CNC Cr-Mo Cog, Black (15t) BuyPART NUM 999556
Single-speed CrMo cogs are CNC-machined from long-wearing chrome-molybdenum Designed to fit Shimano compatible cassette hubs. 5mm wide inner … read more
your price $34.99
BuyPART NUM 999556 
Box One Front Load Stem, 48mm x 31.8mm x 28.6mm, Black BuyPART NUM 697072
Traditional front loading style BMX stems with a 31.8mm clamp, compatible with MTB and oversized BMX handlebars Constructed from 6061-T6 … read more
your price $69.99 + ships free
BuyPART NUM 697072 
BOX Two Prime 9 Groupset, Single Shift BuyPART NUM 562991
Includes cassette, derailleur, shifter and chain Single shift options are for eMTB to keep the user from shifting multiple gears under load … read more
your price $309.99 + ships free
BuyPART NUM 562991 
BOX Three Prime 9 X-Wide Single Shift eBike Groupset - Includes X-Wide Rear Derailleur, 11-50t Cassette, Single Shift Shifter, Prime 9 Chain BuyPART NUM 158747
Box's Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory. It embraces range without adding complexity. The outcome … read more
your price $214.99 + ships free
BuyPART NUM 158747 
Box Four 8S Wide Single E-Bike Group Set, Matte Black BuyPART NUM 545816
Wide rangle 8 speed group based on the same simple principle of the Prime 9 groups Includes 8s single shift derailleur, trigger shifter … read more
your price $166.99 + ships free
BuyPART NUM 545816 
BOX Three Prime 9 Cassette - 9-Speed, 11-46t, Black BuyPART NUM 549106
The Box Three Prime 9 cassette is a great all-around cassette option. All cogs are stamped from steel and subsequently, the larger ones are pinned to … read more
your price $76.99 + ships free
BuyPART NUM 549106 
BOX Components BUZZ Freewheel 16 tooth Black/Chrome BuyPART NUM 407714
Tested extensively by the Dutch National BMX Team, Damien Godet, Kory Cook, and numerous other Elite racers, Buzz freewheels combine durability with … read more
your price $89.99 + ships free
BuyPART NUM 407714 
BOX Three Prime 9 Wide Multi Shift Group Set, Matte Black BuyPART NUM 116867
Wide range 9 speed multi-shift group with up to 3 gears per shift Simple durable performance without all the bells and whistles Includes … read more
your price $209.99 + ships free
BuyPART NUM 116867 
Box One Prime 9 Chain, 9 Speed, 126L, DLC Black BuyPART NUM 432997
Externally, Prime 9 chains have similar dimensions to existing 9 speed chains. This unique geometry allows for thicker side plates than 12 speed … read more
your price $54.99 + ships free
BuyPART NUM 432997 
BOX Four Prime 9 8-Speed Groupset, Multi Shift BuyPART NUM 319303
Includes cassette, derailleur, shifter, and chain Single shift option are for eMTB to keep the user from shifting multiple gears under load … read more
your price $166.99 + ships free
BuyPART NUM 319303 
BOX Two Prime 9 Speed Cassette, 11-50t, Black BuyPART NUM 642269
Prime 9 Technology offers fewer gears with wider spacing to ease set-up, provide a better chain line, and result in less wear and tear Ultra-wide … read more
your price $109.99 + ships free
BuyPART NUM 642269 
BOX Four Cassette - 8-Speed, 11-42t, Black BuyPART NUM 895399
The BOX Four cassette adapts our Prime 9 philosophy of durability, simplicity, and reliability at a great price point. All cogs are stamped from steel … read more
your price $54.99
BuyPART NUM 895399 
BOX Three Prime 9 eBike Cassette - 9-Speed, 12-46t, Black BuyPART NUM 753643
The Box Three Prime 9 cassette is a great all-around cassette option. All cogs are stamped from steel and subsequently, the larger ones are pinned to … read more
your price $76.99 + ships free
BuyPART NUM 753643 
BOX Three Prime 9 Cassette - 9-Speed, 11-50t, Black BuyPART NUM 912289
The Box Three Prime 9 cassette is a great all-around cassette option. All cogs are stamped from steel and subsequently, the larger ones are pinned to … read more
your price $81.99 + ships free
BuyPART NUM 912289 
BOX Three Prime 9 Speed Derailleur, X-Wide Cage, Black BuyPART NUM 665399
Prime 9 Technology for less derailleur travel and better chainline, less wear, and improved lifespan Box Three features: Limited Slip Clutch … read more
your price $83.99 + ships free
BuyPART NUM 665399 
We define color as the main color of the item. It may have accents or highlights in other colors.
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
These models are available for online purchasing and can be shipped directly to you.
The number of speeds should correspond to the number of cogs on the cassette.
Our Lowest Price - This product is ineligible for additional discounts or rebates.
This is the part number or identifier for this item from the manufacturer
Steerer Tubed Threadless
Steerer Tube Diameter
We categorize fork as either rigid or suspension
The travel is the distance a suspension fork can compress.
Limited quantities remaining.
Chainring Teeth
Bike Matrix ID
Bike Matrix Category
Bar clamp diameter is the diamater of the handlebar.
Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.
S.H.I.S clamp diameter is the steerer tube diameter.
Stem angles are measured perpendicular to the clamp. For example, a 90 degree stem is straight. Sometimes, this may also be refered to as a 0 degree stem. If two measurements are listed, the stem can be flipped for angling up or down.
Stem Type
Cassette Speeds
Range
Cassette Body Type
Cassette Chain Compatibility
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.