Ready for sinuous singletrack, bruising downhill trails and high adrenalin jump lines, the Santa Cruz Bronson Alloy Mountain Bike Frame is versatility personified. Balancing the traits of agility and composure with aplomb this all-alloy chassis possesses a raw character that will ignite enthusiasm within any rider of any ability.
The frame utilises high-grade alloy tubing and merges them via clean welds to result in a responsive, resilient and aesthetically pleasing chassis. The main triangle is joined in tandem by the rear, one-piece swingarm and they are joined via a VPP lower-link suspension configuration and RockShox dampener. This alliance promotes a composed shock rate, consistent mid-stroke support, and precise wheel tracking to result in a ride oozing responsiveness, pedalling efficiency and multi-ground traction.
The already accomplished ride characteristics are then adjustable via the Flip Chip that nestles within the rear linkage. This alters the shock rate, bottom bracket height and bottom-out resistance in view of the riding complexity ahead to afford a completely personalised experience.
Scope of use of this already multitalented configuration is furthered still by compatibility with 27.5+ or 27.5” wheelsets and their matching gamut of tyre widths. Use 27.5" wheels with 2.4” tyres for more trail accuracy or 27.5+ wheels with up to 2.8” tyres for maximum grip and comfort.
Bottle cage mounts within the main frame triangle, a downtube protector, a chainstay guard and refined cable routing then complete what is a comprehensive trail steed.
A multifaceted 27.5” or 27.5+ trail frame suitable for any terrain of any severity thanks to a strong and resilient full alloy frame and big-hitting, plush suspension
Santa Cruz alloy full suspension frame with VPP lower-link mounted shock design
RockShox Super Deluxe Select+ air rear shock, 150mm travel
Flip Chip technology: The user-adjustable feature allows the rear suspension to be adjusted depending on the terrain to be faced
Frame: Santa Cruz Alloy | One-piece swingarm | VPP lower-link mounted shock design | Flip Chip unit in the lower link
Fork Compatibility: 150-170mm
Rear Shock: RockShox Super Deluxe Select+ rear shock, 150mm travel
Wheel size compatibility: 27.5+ or 27.5”
Tyre clearance: Up to 2.8”
Recommended headset: IS41/52 Integrated (SHIS name: IS 41/28.6 IS 52/40)
Seatpost diameter compatibility: 31.6mm
Eye to Eye length: 210mm
Thru-axle: 12mm rear x 148 boost
Bottom bracket shell: Threaded BSA 73mm
Max Chainring Size: 36t
Brake Types: Post Mount
Shock Mounting Bushing Front: 20x8
Shock Mounting Bushing Rear: 30x8
Chainguide compatibility: Yes
Changeable rear derailleur hanger: Yes
Refined cable routing for better shifting performance, simpler installation, and no cable rub
Have your order delivered to your local shop for just £1.99! For Highlands and Islands, please allow up to 5 working days. Orders can be shipped to UK Collect+ locations specified on the SigmaSports.com website where they will be held awaiting collection for a period of 10 days.
Estimated delivery within 2 working days. For Highlands and Islands, please allow up to 5 working days.
Next Working Day Delivery £4.99
Tracked delivery with 1-hour delivery window. Order before 3pm for weekday dispatch. Weekday delivery only, excluding Bank Holidays. Orders placed after 3pm will be dispatched the next working day. The package must be signed for upon delivery.
Next Working Day delivery is only available on items in stock in our warehouse and excludes pre-order items. Next Day refers to the next working day, Bank Holidays will add an extra working day to the estimated delivery lead times. UK next day excludes Saturday deliveries. This service is not available to some remote postcode areas. Please contact us for help. Restrictions apply.
Saturday pre-12pm Delivery £4.99
Saturday delivery orders must be placed by 1pm Friday and are only available on items in stock in our warehouse. Orders are prioritised through our warehouse and are delivered on Saturday pre 12pm by courier. The package must be signed for upon delivery. Restrictions apply.
Sunday pre-12pm Delivery £4.99
Sunday delivery orders must be placed by 1pm Friday and are only available on items in stock in our warehouse. Orders are prioritised through our warehouse and are delivered on Sunday pre 12pm by courier. Package must be signed for upon delivery.
Reserve and Collect - FREE
Reserve & Collect from either our Sigma Sports store in Hampton Wick or our Collection Point in Esher. Just select the Reserve & Collect button in the basket. Please note that bikes orders will require a 10% deposit before we build your bike. We will contact you for payment after you've placed your order.
Reserve and Collect Collections - Clothing, parts and accessories: Next day. Orders placed on Friday, Saturday or Sunday will be available for collection after midday on the Monday (excluding Bank Holidays). Bikes: 72 hours if in stock at our store, collect in up to 7 days (sometimes quicker) if in stock at our warehouse. Please note that bikes orders will require a 10% deposit before we build your bike. We will contact you for payment after you've placed your order.
Bike Deliveries - FREE)
All our bikes are fully checked and tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for despatch. All you have to do is add the pedals, rotate and tighten the handlebars. Typically we can deliver your bike in 4 - 5 working days.
Deliveries are made Monday to Friday during normal business hours. One of our customer care team will be in contact to arrange a convenient day for delivery.
Due to the size and weight of indoor Smart Bikes, a flat £100 delivery fee applies for deliveries to the UK mainland. Your bike will be delivered to your front door or communal entrance. You will be responsible for moving it inside your residence and disposing of the pallet.
This service is not available to some remote postcode areas; AB13 - AB14, AB30, PH8 - PH41, IV3 - IV40, IV52 - IV54, IV63, KA27 - KA28, PA21, KW1 - KW17, PA Islands & IV Islands, HS, ZE, IM. We will contact you if an additional delivery charge applies.
Free UK Returns
We offer free 180-day returns and exchanges for UK customers. Sigma Sports will happily refund or exchange any item purchased at Sigma Sports.